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Finding the Fourth Proportional to 43.38, 59.84 and 25.89

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Solution

The fourth proportional to 43.38, 59.84 and 25.89 is: 35.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.38 : 59.84 = 25.89 : x
  2. Step 2: Convert to fraction form
    43.38/59.84 = 25.89/x
  3. Step 3: Cross multiply
    43.38x = 59.84 × 25.89
  4. Step 4: Simplify right side
    43.38x = 1,549.49
  5. Step 5: Solve for x
    x = 1,549.49/43.38
  6. Step 6: Final answer
    x = 35.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.