Home / 21,899.41-32,849.11-12,532.89

Finding the Fourth Proportional to 21,899.41, 32,849.11 and 12,532.89

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Solution

The fourth proportional to 21,899.41, 32,849.11 and 12,532.89 is: 18,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.41 : 32,849.11 = 12,532.89 : x
  2. Step 2: Convert to fraction form
    21,899.41/32,849.11 = 12,532.89/x
  3. Step 3: Cross multiply
    21,899.41x = 32,849.11 × 12,532.89
  4. Step 4: Simplify right side
    21,899.41x = 411,694,250.90
  5. Step 5: Solve for x
    x = 411,694,250.90/21,899.41
  6. Step 6: Final answer
    x = 18,799.33

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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.