Home / 21,839.76-32,764.50-6,257.52

Finding the Fourth Proportional to 21,839.76, 32,764.50 and 6,257.52

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Solution

The fourth proportional to 21,839.76, 32,764.50 and 6,257.52 is: 9,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.76 : 32,764.50 = 6,257.52 : x
  2. Step 2: Convert to fraction form
    21,839.76/32,764.50 = 6,257.52/x
  3. Step 3: Cross multiply
    21,839.76x = 32,764.50 × 6,257.52
  4. Step 4: Simplify right side
    21,839.76x = 205,024,514.04
  5. Step 5: Solve for x
    x = 205,024,514.04/21,839.76
  6. Step 6: Final answer
    x = 9,387.67

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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.