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Finding the Fourth Proportional to 24.76, 37.12 and 13.93

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Solution

The fourth proportional to 24.76, 37.12 and 13.93 is: 20.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.76 : 37.12 = 13.93 : x
  2. Step 2: Convert to fraction form
    24.76/37.12 = 13.93/x
  3. Step 3: Cross multiply
    24.76x = 37.12 × 13.93
  4. Step 4: Simplify right side
    24.76x = 517.01
  5. Step 5: Solve for x
    x = 517.01/24.76
  6. Step 6: Final answer
    x = 20.89

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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.