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Finding the Fourth Proportional to 41.94, 62.82 and 25.89

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Solution

The fourth proportional to 41.94, 62.82 and 25.89 is: 38.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.94 : 62.82 = 25.89 : x
  2. Step 2: Convert to fraction form
    41.94/62.82 = 25.89/x
  3. Step 3: Cross multiply
    41.94x = 62.82 × 25.89
  4. Step 4: Simplify right side
    41.94x = 1,626.41
  5. Step 5: Solve for x
    x = 1,626.41/41.94
  6. Step 6: Final answer
    x = 38.78

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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.