Home / 27,748.38-38,292.71-15,001.57

Finding the Fourth Proportional to 27,748.38, 38,292.71 and 15,001.57

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Solution

The fourth proportional to 27,748.38, 38,292.71 and 15,001.57 is: 20,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.38 : 38,292.71 = 15,001.57 : x
  2. Step 2: Convert to fraction form
    27,748.38/38,292.71 = 15,001.57/x
  3. Step 3: Cross multiply
    27,748.38x = 38,292.71 × 15,001.57
  4. Step 4: Simplify right side
    27,748.38x = 574,450,769.55
  5. Step 5: Solve for x
    x = 574,450,769.55/27,748.38
  6. Step 6: Final answer
    x = 20,702.14

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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.