Home / 20,727.75-28,604.50-11,296.52

Finding the Fourth Proportional to 20,727.75, 28,604.50 and 11,296.52

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Solution

The fourth proportional to 20,727.75, 28,604.50 and 11,296.52 is: 15,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.75 : 28,604.50 = 11,296.52 : x
  2. Step 2: Convert to fraction form
    20,727.75/28,604.50 = 11,296.52/x
  3. Step 3: Cross multiply
    20,727.75x = 28,604.50 × 11,296.52
  4. Step 4: Simplify right side
    20,727.75x = 323,131,306.34
  5. Step 5: Solve for x
    x = 323,131,306.34/20,727.75
  6. Step 6: Final answer
    x = 15,589.31

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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.