Home / 27,691.20-41,538.96-13,658.76

Finding the Fourth Proportional to 27,691.20, 41,538.96 and 13,658.76

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Solution

The fourth proportional to 27,691.20, 41,538.96 and 13,658.76 is: 20,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.20 : 41,538.96 = 13,658.76 : x
  2. Step 2: Convert to fraction form
    27,691.20/41,538.96 = 13,658.76/x
  3. Step 3: Cross multiply
    27,691.20x = 41,538.96 × 13,658.76
  4. Step 4: Simplify right side
    27,691.20x = 567,370,685.29
  5. Step 5: Solve for x
    x = 567,370,685.29/27,691.20
  6. Step 6: Final answer
    x = 20,489.21

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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.