Home / 27,983.43-38,618.06-15,237.14

Finding the Fourth Proportional to 27,983.43, 38,618.06 and 15,237.14

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Solution

The fourth proportional to 27,983.43, 38,618.06 and 15,237.14 is: 21,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.43 : 38,618.06 = 15,237.14 : x
  2. Step 2: Convert to fraction form
    27,983.43/38,618.06 = 15,237.14/x
  3. Step 3: Cross multiply
    27,983.43x = 38,618.06 × 15,237.14
  4. Step 4: Simplify right side
    27,983.43x = 588,428,517.47
  5. Step 5: Solve for x
    x = 588,428,517.47/27,983.43
  6. Step 6: Final answer
    x = 21,027.75

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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.