Home / 21,877.14-32,815.80-12,011.04

Finding the Fourth Proportional to 21,877.14, 32,815.80 and 12,011.04

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Solution

The fourth proportional to 21,877.14, 32,815.80 and 12,011.04 is: 18,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.14 : 32,815.80 = 12,011.04 : x
  2. Step 2: Convert to fraction form
    21,877.14/32,815.80 = 12,011.04/x
  3. Step 3: Cross multiply
    21,877.14x = 32,815.80 × 12,011.04
  4. Step 4: Simplify right side
    21,877.14x = 394,151,886.43
  5. Step 5: Solve for x
    x = 394,151,886.43/21,877.14
  6. Step 6: Final answer
    x = 18,016.61

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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.