Home / 25,387.73-38,103.45-12,251.15

Finding the Fourth Proportional to 25,387.73, 38,103.45 and 12,251.15

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Solution

The fourth proportional to 25,387.73, 38,103.45 and 12,251.15 is: 18,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.73 : 38,103.45 = 12,251.15 : x
  2. Step 2: Convert to fraction form
    25,387.73/38,103.45 = 12,251.15/x
  3. Step 3: Cross multiply
    25,387.73x = 38,103.45 × 12,251.15
  4. Step 4: Simplify right side
    25,387.73x = 466,810,890.95
  5. Step 5: Solve for x
    x = 466,810,890.95/25,387.73
  6. Step 6: Final answer
    x = 18,387.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.