Home / 21,522.18-32,276.99-8,371.43

Finding the Fourth Proportional to 21,522.18, 32,276.99 and 8,371.43

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Solution

The fourth proportional to 21,522.18, 32,276.99 and 8,371.43 is: 12,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.18 : 32,276.99 = 8,371.43 : x
  2. Step 2: Convert to fraction form
    21,522.18/32,276.99 = 8,371.43/x
  3. Step 3: Cross multiply
    21,522.18x = 32,276.99 × 8,371.43
  4. Step 4: Simplify right side
    21,522.18x = 270,204,401.01
  5. Step 5: Solve for x
    x = 270,204,401.01/21,522.18
  6. Step 6: Final answer
    x = 12,554.69

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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.