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Finding the Fourth Proportional to 29.16, 43.74 and 24.64

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Solution

The fourth proportional to 29.16, 43.74 and 24.64 is: 36.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.16 : 43.74 = 24.64 : x
  2. Step 2: Convert to fraction form
    29.16/43.74 = 24.64/x
  3. Step 3: Cross multiply
    29.16x = 43.74 × 24.64
  4. Step 4: Simplify right side
    29.16x = 1,077.64
  5. Step 5: Solve for x
    x = 1,077.64/29.16
  6. Step 6: Final answer
    x = 36.96

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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.