Home / 21,891.43-32,835.60-12,502.02

Finding the Fourth Proportional to 21,891.43, 32,835.60 and 12,502.02

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Solution

The fourth proportional to 21,891.43, 32,835.60 and 12,502.02 is: 18,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,891.43 : 32,835.60 = 12,502.02 : x
  2. Step 2: Convert to fraction form
    21,891.43/32,835.60 = 12,502.02/x
  3. Step 3: Cross multiply
    21,891.43x = 32,835.60 × 12,502.02
  4. Step 4: Simplify right side
    21,891.43x = 410,511,327.91
  5. Step 5: Solve for x
    x = 410,511,327.91/21,891.43
  6. Step 6: Final answer
    x = 18,752.15

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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.