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Finding the Fourth Proportional to 24.89, 37.35 and 20.93

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Solution

The fourth proportional to 24.89, 37.35 and 20.93 is: 31.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.89 : 37.35 = 20.93 : x
  2. Step 2: Convert to fraction form
    24.89/37.35 = 20.93/x
  3. Step 3: Cross multiply
    24.89x = 37.35 × 20.93
  4. Step 4: Simplify right side
    24.89x = 781.74
  5. Step 5: Solve for x
    x = 781.74/24.89
  6. Step 6: Final answer
    x = 31.41

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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.