Home / 27,618.28-38,112.87-15,043.03

Finding the Fourth Proportional to 27,618.28, 38,112.87 and 15,043.03

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Solution

The fourth proportional to 27,618.28, 38,112.87 and 15,043.03 is: 20,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.28 : 38,112.87 = 15,043.03 : x
  2. Step 2: Convert to fraction form
    27,618.28/38,112.87 = 15,043.03/x
  3. Step 3: Cross multiply
    27,618.28x = 38,112.87 × 15,043.03
  4. Step 4: Simplify right side
    27,618.28x = 573,333,046.80
  5. Step 5: Solve for x
    x = 573,333,046.80/27,618.28
  6. Step 6: Final answer
    x = 20,759.19

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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.