Home / 15,288.24-22,932.72-7,281.20

Finding the Fourth Proportional to 15,288.24, 22,932.72 and 7,281.20

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Solution

The fourth proportional to 15,288.24, 22,932.72 and 7,281.20 is: 10,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.24 : 22,932.72 = 7,281.20 : x
  2. Step 2: Convert to fraction form
    15,288.24/22,932.72 = 7,281.20/x
  3. Step 3: Cross multiply
    15,288.24x = 22,932.72 × 7,281.20
  4. Step 4: Simplify right side
    15,288.24x = 166,977,720.86
  5. Step 5: Solve for x
    x = 166,977,720.86/15,288.24
  6. Step 6: Final answer
    x = 10,921.97

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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.