Home / 15,715.52-23,576.88-5,327.20

Finding the Fourth Proportional to 15,715.52, 23,576.88 and 5,327.20

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Solution

The fourth proportional to 15,715.52, 23,576.88 and 5,327.20 is: 7,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.52 : 23,576.88 = 5,327.20 : x
  2. Step 2: Convert to fraction form
    15,715.52/23,576.88 = 5,327.20/x
  3. Step 3: Cross multiply
    15,715.52x = 23,576.88 × 5,327.20
  4. Step 4: Simplify right side
    15,715.52x = 125,598,755.14
  5. Step 5: Solve for x
    x = 125,598,755.14/15,715.52
  6. Step 6: Final answer
    x = 7,992.02

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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.