Home / 21,597.76-32,377.20-8,459.56

Finding the Fourth Proportional to 21,597.76, 32,377.20 and 8,459.56

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Solution

The fourth proportional to 21,597.76, 32,377.20 and 8,459.56 is: 12,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.76 : 32,377.20 = 8,459.56 : x
  2. Step 2: Convert to fraction form
    21,597.76/32,377.20 = 8,459.56/x
  3. Step 3: Cross multiply
    21,597.76x = 32,377.20 × 8,459.56
  4. Step 4: Simplify right side
    21,597.76x = 273,896,866.03
  5. Step 5: Solve for x
    x = 273,896,866.03/21,597.76
  6. Step 6: Final answer
    x = 12,681.73

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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.