Home / 28,788.20-43,194.85-10,081.65

Finding the Fourth Proportional to 28,788.20, 43,194.85 and 10,081.65

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Solution

The fourth proportional to 28,788.20, 43,194.85 and 10,081.65 is: 15,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.20 : 43,194.85 = 10,081.65 : x
  2. Step 2: Convert to fraction form
    28,788.20/43,194.85 = 10,081.65/x
  3. Step 3: Cross multiply
    28,788.20x = 43,194.85 × 10,081.65
  4. Step 4: Simplify right side
    28,788.20x = 435,475,496.28
  5. Step 5: Solve for x
    x = 435,475,496.28/28,788.20
  6. Step 6: Final answer
    x = 15,126.88

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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.