Home / 27,744.24-38,286.90-15,169.08

Finding the Fourth Proportional to 27,744.24, 38,286.90 and 15,169.08

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Solution

The fourth proportional to 27,744.24, 38,286.90 and 15,169.08 is: 20,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,744.24 : 38,286.90 = 15,169.08 : x
  2. Step 2: Convert to fraction form
    27,744.24/38,286.90 = 15,169.08/x
  3. Step 3: Cross multiply
    27,744.24x = 38,286.90 × 15,169.08
  4. Step 4: Simplify right side
    27,744.24x = 580,777,049.05
  5. Step 5: Solve for x
    x = 580,777,049.05/27,744.24
  6. Step 6: Final answer
    x = 20,933.25

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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.