Home / 21,591.15-32,365.11-7,540.29

Finding the Fourth Proportional to 21,591.15, 32,365.11 and 7,540.29

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Solution

The fourth proportional to 21,591.15, 32,365.11 and 7,540.29 is: 11,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.15 : 32,365.11 = 7,540.29 : x
  2. Step 2: Convert to fraction form
    21,591.15/32,365.11 = 7,540.29/x
  3. Step 3: Cross multiply
    21,591.15x = 32,365.11 × 7,540.29
  4. Step 4: Simplify right side
    21,591.15x = 244,042,315.28
  5. Step 5: Solve for x
    x = 244,042,315.28/21,591.15
  6. Step 6: Final answer
    x = 11,302.89

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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.