Home / 27,843.82-38,425.35-15,269.74

Finding the Fourth Proportional to 27,843.82, 38,425.35 and 15,269.74

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Solution

The fourth proportional to 27,843.82, 38,425.35 and 15,269.74 is: 21,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843.82 : 38,425.35 = 15,269.74 : x
  2. Step 2: Convert to fraction form
    27,843.82/38,425.35 = 15,269.74/x
  3. Step 3: Cross multiply
    27,843.82x = 38,425.35 × 15,269.74
  4. Step 4: Simplify right side
    27,843.82x = 586,745,103.91
  5. Step 5: Solve for x
    x = 586,745,103.91/27,843.82
  6. Step 6: Final answer
    x = 21,072.72

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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.