Home / 15,531.72-23,319.36-14,831.88

Finding the Fourth Proportional to 15,531.72, 23,319.36 and 14,831.88

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Solution

The fourth proportional to 15,531.72, 23,319.36 and 14,831.88 is: 22,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.72 : 23,319.36 = 14,831.88 : x
  2. Step 2: Convert to fraction form
    15,531.72/23,319.36 = 14,831.88/x
  3. Step 3: Cross multiply
    15,531.72x = 23,319.36 × 14,831.88
  4. Step 4: Simplify right side
    15,531.72x = 345,869,949.20
  5. Step 5: Solve for x
    x = 345,869,949.20/15,531.72
  6. Step 6: Final answer
    x = 22,268.62

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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.