Home / 27,954.44-38,576.90-15,857.22

Finding the Fourth Proportional to 27,954.44, 38,576.90 and 15,857.22

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Solution

The fourth proportional to 27,954.44, 38,576.90 and 15,857.22 is: 21,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.44 : 38,576.90 = 15,857.22 : x
  2. Step 2: Convert to fraction form
    27,954.44/38,576.90 = 15,857.22/x
  3. Step 3: Cross multiply
    27,954.44x = 38,576.90 × 15,857.22
  4. Step 4: Simplify right side
    27,954.44x = 611,722,390.22
  5. Step 5: Solve for x
    x = 611,722,390.22/27,954.44
  6. Step 6: Final answer
    x = 21,882.83

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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.