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Finding the Fourth Proportional to 23.27, 32.12 and 17.82

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Solution

The fourth proportional to 23.27, 32.12 and 17.82 is: 24.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.27 : 32.12 = 17.82 : x
  2. Step 2: Convert to fraction form
    23.27/32.12 = 17.82/x
  3. Step 3: Cross multiply
    23.27x = 32.12 × 17.82
  4. Step 4: Simplify right side
    23.27x = 572.29
  5. Step 5: Solve for x
    x = 572.29/23.27
  6. Step 6: Final answer
    x = 24.60

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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.