Home / 25,320.92-34,939.86-15,249.20

Finding the Fourth Proportional to 25,320.92, 34,939.86 and 15,249.20

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Solution

The fourth proportional to 25,320.92, 34,939.86 and 15,249.20 is: 21,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.92 : 34,939.86 = 15,249.20 : x
  2. Step 2: Convert to fraction form
    25,320.92/34,939.86 = 15,249.20/x
  3. Step 3: Cross multiply
    25,320.92x = 34,939.86 × 15,249.20
  4. Step 4: Simplify right side
    25,320.92x = 532,804,913.11
  5. Step 5: Solve for x
    x = 532,804,913.11/25,320.92
  6. Step 6: Final answer
    x = 21,042.08

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1.5x scale

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.