Home / 56,553.36-84,829.68-15,000

Finding the Fourth Proportional to 56,553.36, 84,829.68 and 15,000

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Solution

The fourth proportional to 56,553.36, 84,829.68 and 15,000 is: 22,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.36 : 84,829.68 = 15,000 : x
  2. Step 2: Convert to fraction form
    56,553.36/84,829.68 = 15,000/x
  3. Step 3: Cross multiply
    56,553.36x = 84,829.68 × 15,000
  4. Step 4: Simplify right side
    56,553.36x = 1,272,445,200
  5. Step 5: Solve for x
    x = 1,272,445,200/56,553.36
  6. Step 6: Final answer
    x = 22,499.90

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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.