Home / 20,892.97-28,834.38-11,941.77

Finding the Fourth Proportional to 20,892.97, 28,834.38 and 11,941.77

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Solution

The fourth proportional to 20,892.97, 28,834.38 and 11,941.77 is: 16,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.97 : 28,834.38 = 11,941.77 : x
  2. Step 2: Convert to fraction form
    20,892.97/28,834.38 = 11,941.77/x
  3. Step 3: Cross multiply
    20,892.97x = 28,834.38 × 11,941.77
  4. Step 4: Simplify right side
    20,892.97x = 344,333,534.05
  5. Step 5: Solve for x
    x = 344,333,534.05/20,892.97
  6. Step 6: Final answer
    x = 16,480.83

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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.