Home / 21,559.68-32,340.48-5,976.96

Finding the Fourth Proportional to 21,559.68, 32,340.48 and 5,976.96

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Solution

The fourth proportional to 21,559.68, 32,340.48 and 5,976.96 is: 8,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.68 : 32,340.48 = 5,976.96 : x
  2. Step 2: Convert to fraction form
    21,559.68/32,340.48 = 5,976.96/x
  3. Step 3: Cross multiply
    21,559.68x = 32,340.48 × 5,976.96
  4. Step 4: Simplify right side
    21,559.68x = 193,297,755.34
  5. Step 5: Solve for x
    x = 193,297,755.34/21,559.68
  6. Step 6: Final answer
    x = 8,965.71

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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.