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Finding the Fourth Proportional to 62.53, 93.78 and 25.97

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Solution

The fourth proportional to 62.53, 93.78 and 25.97 is: 38.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.53 : 93.78 = 25.97 : x
  2. Step 2: Convert to fraction form
    62.53/93.78 = 25.97/x
  3. Step 3: Cross multiply
    62.53x = 93.78 × 25.97
  4. Step 4: Simplify right side
    62.53x = 2,435.00
  5. Step 5: Solve for x
    x = 2,435.00/62.53
  6. Step 6: Final answer
    x = 38.94

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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.