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Finding the Fourth Proportional to 24.83, 34.27 and 13.91

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Solution

The fourth proportional to 24.83, 34.27 and 13.91 is: 19.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.83 : 34.27 = 13.91 : x
  2. Step 2: Convert to fraction form
    24.83/34.27 = 13.91/x
  3. Step 3: Cross multiply
    24.83x = 34.27 × 13.91
  4. Step 4: Simplify right side
    24.83x = 476.71
  5. Step 5: Solve for x
    x = 476.71/24.83
  6. Step 6: Final answer
    x = 19.20

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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.