Home / 40,287.64-60,422.32-15,318.80

Finding the Fourth Proportional to 40,287.64, 60,422.32 and 15,318.80

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Solution

The fourth proportional to 40,287.64, 60,422.32 and 15,318.80 is: 22,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.64 : 60,422.32 = 15,318.80 : x
  2. Step 2: Convert to fraction form
    40,287.64/60,422.32 = 15,318.80/x
  3. Step 3: Cross multiply
    40,287.64x = 60,422.32 × 15,318.80
  4. Step 4: Simplify right side
    40,287.64x = 925,597,435.62
  5. Step 5: Solve for x
    x = 925,597,435.62/40,287.64
  6. Step 6: Final answer
    x = 22,974.72

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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.