After devising a way to raise wages for fast-food workers, Gov. Andrew M. Cuomo is preparing to announce his support for a $15 minimum wage for all workers in New York State.

Mr. Cuomo, who earlier this year said that a $13 minimum wage was a “nonstarter” in Albany, is scheduled on Thursday afternoon to call for an across-the-board increase in the wage to $15, according to people who had been briefed on the plan but declined to be identified speaking ahead of the announcement. Vice President Joseph R. Biden Jr. will join the governor, who is also a Democrat, for the announcement at the Jacob K. Javits Convention Center in Manhattan, these people said.

A spokesman for the governor declined to comment on Wednesday.

The push for an increase in the state’s minimum wage, now $8.75 an hour, has met resistance from Republican lawmakers in Albany. After they rebuffed an effort to raise it in the last session, Mr. Cuomo convened a panel, known as a wage board, to study the question of whether fast-food chains were paying fair wages.

The panel, whose three members were chosen by Mr. Cuomo, concluded that the minimum wage for workers employed by those chains should be raised in stages to $15 an hour. The increase would happen faster for workers in New York City than in the rest of the state, under the plan which still must be approved by the acting commissioner of the State Labor Department.