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Finding the Fourth Proportional to 41.34, 56.96 and 26.76

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Solution

The fourth proportional to 41.34, 56.96 and 26.76 is: 36.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.34 : 56.96 = 26.76 : x
  2. Step 2: Convert to fraction form
    41.34/56.96 = 26.76/x
  3. Step 3: Cross multiply
    41.34x = 56.96 × 26.76
  4. Step 4: Simplify right side
    41.34x = 1,524.12
  5. Step 5: Solve for x
    x = 1,524.12/41.34
  6. Step 6: Final answer
    x = 36.87

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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.