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Finding the Fourth Proportional to 23.95, 32.97 and 20.29

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Solution

The fourth proportional to 23.95, 32.97 and 20.29 is: 27.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.95 : 32.97 = 20.29 : x
  2. Step 2: Convert to fraction form
    23.95/32.97 = 20.29/x
  3. Step 3: Cross multiply
    23.95x = 32.97 × 20.29
  4. Step 4: Simplify right side
    23.95x = 668.96
  5. Step 5: Solve for x
    x = 668.96/23.95
  6. Step 6: Final answer
    x = 27.93

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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.