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Finding the Fourth Proportional to 28.04, 38.50 and 24.56

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Solution

The fourth proportional to 28.04, 38.50 and 24.56 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.04 : 38.50 = 24.56 : x
  2. Step 2: Convert to fraction form
    28.04/38.50 = 24.56/x
  3. Step 3: Cross multiply
    28.04x = 38.50 × 24.56
  4. Step 4: Simplify right side
    28.04x = 945.56
  5. Step 5: Solve for x
    x = 945.56/28.04
  6. Step 6: Final answer
    x = 33.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.