Home / 27,965.33-38,592.33-15,218.61

Finding the Fourth Proportional to 27,965.33, 38,592.33 and 15,218.61

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Solution

The fourth proportional to 27,965.33, 38,592.33 and 15,218.61 is: 21,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.33 : 38,592.33 = 15,218.61 : x
  2. Step 2: Convert to fraction form
    27,965.33/38,592.33 = 15,218.61/x
  3. Step 3: Cross multiply
    27,965.33x = 38,592.33 × 15,218.61
  4. Step 4: Simplify right side
    27,965.33x = 587,321,619.26
  5. Step 5: Solve for x
    x = 587,321,619.26/27,965.33
  6. Step 6: Final answer
    x = 21,001.78

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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.