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Finding the Fourth Proportional to 36,407.88, 54,625.17 and 15,353.22

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Solution

The fourth proportional to 36,407.88, 54,625.17 and 15,353.22 is: 23,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,407.88 : 54,625.17 = 15,353.22 : x
  2. Step 2: Convert to fraction form
    36,407.88/54,625.17 = 15,353.22/x
  3. Step 3: Cross multiply
    36,407.88x = 54,625.17 × 15,353.22
  4. Step 4: Simplify right side
    36,407.88x = 838,672,252.55
  5. Step 5: Solve for x
    x = 838,672,252.55/36,407.88
  6. Step 6: Final answer
    x = 23,035.46

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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.