Home / 27,773.87-38,327.96-15,198.62

Finding the Fourth Proportional to 27,773.87, 38,327.96 and 15,198.62

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Solution

The fourth proportional to 27,773.87, 38,327.96 and 15,198.62 is: 20,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.87 : 38,327.96 = 15,198.62 : x
  2. Step 2: Convert to fraction form
    27,773.87/38,327.96 = 15,198.62/x
  3. Step 3: Cross multiply
    27,773.87x = 38,327.96 × 15,198.62
  4. Step 4: Simplify right side
    27,773.87x = 582,531,945.77
  5. Step 5: Solve for x
    x = 582,531,945.77/27,773.87
  6. Step 6: Final answer
    x = 20,974.10

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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.