Home / 27,734.38-38,272.59-15,799.42

Finding the Fourth Proportional to 27,734.38, 38,272.59 and 15,799.42

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Solution

The fourth proportional to 27,734.38, 38,272.59 and 15,799.42 is: 21,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.38 : 38,272.59 = 15,799.42 : x
  2. Step 2: Convert to fraction form
    27,734.38/38,272.59 = 15,799.42/x
  3. Step 3: Cross multiply
    27,734.38x = 38,272.59 × 15,799.42
  4. Step 4: Simplify right side
    27,734.38x = 604,684,723.90
  5. Step 5: Solve for x
    x = 604,684,723.90/27,734.38
  6. Step 6: Final answer
    x = 21,802.71

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Double scale
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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.