Home / 27,911.80-38,517.48-15,974.73

Finding the Fourth Proportional to 27,911.80, 38,517.48 and 15,974.73

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Solution

The fourth proportional to 27,911.80, 38,517.48 and 15,974.73 is: 22,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.80 : 38,517.48 = 15,974.73 : x
  2. Step 2: Convert to fraction form
    27,911.80/38,517.48 = 15,974.73/x
  3. Step 3: Cross multiply
    27,911.80x = 38,517.48 × 15,974.73
  4. Step 4: Simplify right side
    27,911.80x = 615,306,343.28
  5. Step 5: Solve for x
    x = 615,306,343.28/27,911.80
  6. Step 6: Final answer
    x = 22,044.67

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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.