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Finding the Fourth Proportional to 32.41, 44.51 and 28.50

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Solution

The fourth proportional to 32.41, 44.51 and 28.50 is: 39.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.41 : 44.51 = 28.50 : x
  2. Step 2: Convert to fraction form
    32.41/44.51 = 28.50/x
  3. Step 3: Cross multiply
    32.41x = 44.51 × 28.50
  4. Step 4: Simplify right side
    32.41x = 1,268.23
  5. Step 5: Solve for x
    x = 1,268.23/32.41
  6. Step 6: Final answer
    x = 39.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.