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Finding the Fourth Proportional to 32.28, 48.48 and 26.34

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Solution

The fourth proportional to 32.28, 48.48 and 26.34 is: 39.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.28 : 48.48 = 26.34 : x
  2. Step 2: Convert to fraction form
    32.28/48.48 = 26.34/x
  3. Step 3: Cross multiply
    32.28x = 48.48 × 26.34
  4. Step 4: Simplify right side
    32.28x = 1,276.96
  5. Step 5: Solve for x
    x = 1,276.96/32.28
  6. Step 6: Final answer
    x = 39.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.