Home / 25,139.80-34,691.58-15,068.64

Finding the Fourth Proportional to 25,139.80, 34,691.58 and 15,068.64

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Solution

The fourth proportional to 25,139.80, 34,691.58 and 15,068.64 is: 20,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.80 : 34,691.58 = 15,068.64 : x
  2. Step 2: Convert to fraction form
    25,139.80/34,691.58 = 15,068.64/x
  3. Step 3: Cross multiply
    25,139.80x = 34,691.58 × 15,068.64
  4. Step 4: Simplify right side
    25,139.80x = 522,754,930.05
  5. Step 5: Solve for x
    x = 522,754,930.05/25,139.80
  6. Step 6: Final answer
    x = 20,793.92

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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.