Home / 27,743.79-38,286.50-15,169.35

Finding the Fourth Proportional to 27,743.79, 38,286.50 and 15,169.35

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Solution

The fourth proportional to 27,743.79, 38,286.50 and 15,169.35 is: 20,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.79 : 38,286.50 = 15,169.35 : x
  2. Step 2: Convert to fraction form
    27,743.79/38,286.50 = 15,169.35/x
  3. Step 3: Cross multiply
    27,743.79x = 38,286.50 × 15,169.35
  4. Step 4: Simplify right side
    27,743.79x = 580,781,242.93
  5. Step 5: Solve for x
    x = 580,781,242.93/27,743.79
  6. Step 6: Final answer
    x = 20,933.74

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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.