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Finding the Fourth Proportional to 24.76, 37.16 and 12.75

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Solution

The fourth proportional to 24.76, 37.16 and 12.75 is: 19.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.76 : 37.16 = 12.75 : x
  2. Step 2: Convert to fraction form
    24.76/37.16 = 12.75/x
  3. Step 3: Cross multiply
    24.76x = 37.16 × 12.75
  4. Step 4: Simplify right side
    24.76x = 473.79
  5. Step 5: Solve for x
    x = 473.79/24.76
  6. Step 6: Final answer
    x = 19.14

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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.