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Finding the Fourth Proportional to 24.76, 34.17 and 19.93

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Solution

The fourth proportional to 24.76, 34.17 and 19.93 is: 27.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.76 : 34.17 = 19.93 : x
  2. Step 2: Convert to fraction form
    24.76/34.17 = 19.93/x
  3. Step 3: Cross multiply
    24.76x = 34.17 × 19.93
  4. Step 4: Simplify right side
    24.76x = 681.01
  5. Step 5: Solve for x
    x = 681.01/24.76
  6. Step 6: Final answer
    x = 27.50

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Find fourth proportional to 12.38, 17.09 and 9.97
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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.