Home / 27,917.62-41,869.95-8,190.88

Finding the Fourth Proportional to 27,917.62, 41,869.95 and 8,190.88

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Solution

The fourth proportional to 27,917.62, 41,869.95 and 8,190.88 is: 12,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.62 : 41,869.95 = 8,190.88 : x
  2. Step 2: Convert to fraction form
    27,917.62/41,869.95 = 8,190.88/x
  3. Step 3: Cross multiply
    27,917.62x = 41,869.95 × 8,190.88
  4. Step 4: Simplify right side
    27,917.62x = 342,951,736.06
  5. Step 5: Solve for x
    x = 342,951,736.06/27,917.62
  6. Step 6: Final answer
    x = 12,284.42

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1.5x scale

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.