Home / 27,964.31-38,591.46-15,218.21

Finding the Fourth Proportional to 27,964.31, 38,591.46 and 15,218.21

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Solution

The fourth proportional to 27,964.31, 38,591.46 and 15,218.21 is: 21,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.31 : 38,591.46 = 15,218.21 : x
  2. Step 2: Convert to fraction form
    27,964.31/38,591.46 = 15,218.21/x
  3. Step 3: Cross multiply
    27,964.31x = 38,591.46 × 15,218.21
  4. Step 4: Simplify right side
    27,964.31x = 587,292,749.53
  5. Step 5: Solve for x
    x = 587,292,749.53/27,964.31
  6. Step 6: Final answer
    x = 21,001.51

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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.