Home / 38,123.12-57,207.12-15,934.76

Finding the Fourth Proportional to 38,123.12, 57,207.12 and 15,934.76

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Solution

The fourth proportional to 38,123.12, 57,207.12 and 15,934.76 is: 23,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.12 : 57,207.12 = 15,934.76 : x
  2. Step 2: Convert to fraction form
    38,123.12/57,207.12 = 15,934.76/x
  3. Step 3: Cross multiply
    38,123.12x = 57,207.12 × 15,934.76
  4. Step 4: Simplify right side
    38,123.12x = 911,581,727.49
  5. Step 5: Solve for x
    x = 911,581,727.49/38,123.12
  6. Step 6: Final answer
    x = 23,911.52

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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.