Home / 21,522.24-32,286.60-7,668

Finding the Fourth Proportional to 21,522.24, 32,286.60 and 7,668

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Solution

The fourth proportional to 21,522.24, 32,286.60 and 7,668 is: 11,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.24 : 32,286.60 = 7,668 : x
  2. Step 2: Convert to fraction form
    21,522.24/32,286.60 = 7,668/x
  3. Step 3: Cross multiply
    21,522.24x = 32,286.60 × 7,668
  4. Step 4: Simplify right side
    21,522.24x = 247,573,648.80
  5. Step 5: Solve for x
    x = 247,573,648.80/21,522.24
  6. Step 6: Final answer
    x = 11,503.15

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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.