Home / 21,367.92-32,052.24-8,220.96

Finding the Fourth Proportional to 21,367.92, 32,052.24 and 8,220.96

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Solution

The fourth proportional to 21,367.92, 32,052.24 and 8,220.96 is: 12,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.92 : 32,052.24 = 8,220.96 : x
  2. Step 2: Convert to fraction form
    21,367.92/32,052.24 = 8,220.96/x
  3. Step 3: Cross multiply
    21,367.92x = 32,052.24 × 8,220.96
  4. Step 4: Simplify right side
    21,367.92x = 263,500,182.95
  5. Step 5: Solve for x
    x = 263,500,182.95/21,367.92
  6. Step 6: Final answer
    x = 12,331.58

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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.