Home / 23,831.92-32,887.47-13,221.91

Finding the Fourth Proportional to 23,831.92, 32,887.47 and 13,221.91

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Solution

The fourth proportional to 23,831.92, 32,887.47 and 13,221.91 is: 18,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,831.92 : 32,887.47 = 13,221.91 : x
  2. Step 2: Convert to fraction form
    23,831.92/32,887.47 = 13,221.91/x
  3. Step 3: Cross multiply
    23,831.92x = 32,887.47 × 13,221.91
  4. Step 4: Simplify right side
    23,831.92x = 434,835,168.47
  5. Step 5: Solve for x
    x = 434,835,168.47/23,831.92
  6. Step 6: Final answer
    x = 18,245.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.