Home / 26,793.72-36,977.94-15,615

Finding the Fourth Proportional to 26,793.72, 36,977.94 and 15,615

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Solution

The fourth proportional to 26,793.72, 36,977.94 and 15,615 is: 21,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793.72 : 36,977.94 = 15,615 : x
  2. Step 2: Convert to fraction form
    26,793.72/36,977.94 = 15,615/x
  3. Step 3: Cross multiply
    26,793.72x = 36,977.94 × 15,615
  4. Step 4: Simplify right side
    26,793.72x = 577,410,533.10
  5. Step 5: Solve for x
    x = 577,410,533.10/26,793.72
  6. Step 6: Final answer
    x = 21,550.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.