Home / 20,441.15-28,207.49-11,488.52

Finding the Fourth Proportional to 20,441.15, 28,207.49 and 11,488.52

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Solution

The fourth proportional to 20,441.15, 28,207.49 and 11,488.52 is: 15,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.15 : 28,207.49 = 11,488.52 : x
  2. Step 2: Convert to fraction form
    20,441.15/28,207.49 = 11,488.52/x
  3. Step 3: Cross multiply
    20,441.15x = 28,207.49 × 11,488.52
  4. Step 4: Simplify right side
    20,441.15x = 324,062,114.53
  5. Step 5: Solve for x
    x = 324,062,114.53/20,441.15
  6. Step 6: Final answer
    x = 15,853.42

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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.