Home / 20,553.96-28,338.06-16,773.30

Finding the Fourth Proportional to 20,553.96, 28,338.06 and 16,773.30

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Solution

The fourth proportional to 20,553.96, 28,338.06 and 16,773.30 is: 23,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553.96 : 28,338.06 = 16,773.30 : x
  2. Step 2: Convert to fraction form
    20,553.96/28,338.06 = 16,773.30/x
  3. Step 3: Cross multiply
    20,553.96x = 28,338.06 × 16,773.30
  4. Step 4: Simplify right side
    20,553.96x = 475,322,781.80
  5. Step 5: Solve for x
    x = 475,322,781.80/20,553.96
  6. Step 6: Final answer
    x = 23,125.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.