Home / 21,887.60-32,831.40-8,034.80

Finding the Fourth Proportional to 21,887.60, 32,831.40 and 8,034.80

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Solution

The fourth proportional to 21,887.60, 32,831.40 and 8,034.80 is: 12,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.60 : 32,831.40 = 8,034.80 : x
  2. Step 2: Convert to fraction form
    21,887.60/32,831.40 = 8,034.80/x
  3. Step 3: Cross multiply
    21,887.60x = 32,831.40 × 8,034.80
  4. Step 4: Simplify right side
    21,887.60x = 263,793,732.72
  5. Step 5: Solve for x
    x = 263,793,732.72/21,887.60
  6. Step 6: Final answer
    x = 12,052.20

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1.5x scale

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.