Home / 26,979.55-37,231.80-15,042.62

Finding the Fourth Proportional to 26,979.55, 37,231.80 and 15,042.62

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Solution

The fourth proportional to 26,979.55, 37,231.80 and 15,042.62 is: 20,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.55 : 37,231.80 = 15,042.62 : x
  2. Step 2: Convert to fraction form
    26,979.55/37,231.80 = 15,042.62/x
  3. Step 3: Cross multiply
    26,979.55x = 37,231.80 × 15,042.62
  4. Step 4: Simplify right side
    26,979.55x = 560,063,819.32
  5. Step 5: Solve for x
    x = 560,063,819.32/26,979.55
  6. Step 6: Final answer
    x = 20,758.83

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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.