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Finding the Fourth Proportional to 32.24, 44.49 and 19.96

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Solution

The fourth proportional to 32.24, 44.49 and 19.96 is: 27.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 44.49 = 19.96 : x
  2. Step 2: Convert to fraction form
    32.24/44.49 = 19.96/x
  3. Step 3: Cross multiply
    32.24x = 44.49 × 19.96
  4. Step 4: Simplify right side
    32.24x = 888.02
  5. Step 5: Solve for x
    x = 888.02/32.24
  6. Step 6: Final answer
    x = 27.54

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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.