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Finding the Fourth Proportional to 34.62, 51.95 and 25.66

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Solution

The fourth proportional to 34.62, 51.95 and 25.66 is: 38.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.62 : 51.95 = 25.66 : x
  2. Step 2: Convert to fraction form
    34.62/51.95 = 25.66/x
  3. Step 3: Cross multiply
    34.62x = 51.95 × 25.66
  4. Step 4: Simplify right side
    34.62x = 1,333.04
  5. Step 5: Solve for x
    x = 1,333.04/34.62
  6. Step 6: Final answer
    x = 38.50

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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.