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Finding the Fourth Proportional to 24.96, 37.57 and 21.65

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Solution

The fourth proportional to 24.96, 37.57 and 21.65 is: 32.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.96 : 37.57 = 21.65 : x
  2. Step 2: Convert to fraction form
    24.96/37.57 = 21.65/x
  3. Step 3: Cross multiply
    24.96x = 37.57 × 21.65
  4. Step 4: Simplify right side
    24.96x = 813.54
  5. Step 5: Solve for x
    x = 813.54/24.96
  6. Step 6: Final answer
    x = 32.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.