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Finding the Fourth Proportional to 28.54, 39.41 and 24.49

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Solution

The fourth proportional to 28.54, 39.41 and 24.49 is: 33.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.54 : 39.41 = 24.49 : x
  2. Step 2: Convert to fraction form
    28.54/39.41 = 24.49/x
  3. Step 3: Cross multiply
    28.54x = 39.41 × 24.49
  4. Step 4: Simplify right side
    28.54x = 965.15
  5. Step 5: Solve for x
    x = 965.15/28.54
  6. Step 6: Final answer
    x = 33.82

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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.