Home / 27,911.52-38,517.22-15,974.08

Finding the Fourth Proportional to 27,911.52, 38,517.22 and 15,974.08

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Solution

The fourth proportional to 27,911.52, 38,517.22 and 15,974.08 is: 22,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.52 : 38,517.22 = 15,974.08 : x
  2. Step 2: Convert to fraction form
    27,911.52/38,517.22 = 15,974.08/x
  3. Step 3: Cross multiply
    27,911.52x = 38,517.22 × 15,974.08
  4. Step 4: Simplify right side
    27,911.52x = 615,277,153.66
  5. Step 5: Solve for x
    x = 615,277,153.66/27,911.52
  6. Step 6: Final answer
    x = 22,043.84

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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.