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Finding the Fourth Proportional to 23.19, 32.01 and 14.57

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Solution

The fourth proportional to 23.19, 32.01 and 14.57 is: 20.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.19 : 32.01 = 14.57 : x
  2. Step 2: Convert to fraction form
    23.19/32.01 = 14.57/x
  3. Step 3: Cross multiply
    23.19x = 32.01 × 14.57
  4. Step 4: Simplify right side
    23.19x = 466.39
  5. Step 5: Solve for x
    x = 466.39/23.19
  6. Step 6: Final answer
    x = 20.11

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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.