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Finding the Fourth Proportional to 26.66, 36.76 and 24.55

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Solution

The fourth proportional to 26.66, 36.76 and 24.55 is: 33.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.66 : 36.76 = 24.55 : x
  2. Step 2: Convert to fraction form
    26.66/36.76 = 24.55/x
  3. Step 3: Cross multiply
    26.66x = 36.76 × 24.55
  4. Step 4: Simplify right side
    26.66x = 902.52
  5. Step 5: Solve for x
    x = 902.52/26.66
  6. Step 6: Final answer
    x = 33.85

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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.