Home / 27,910.99-38,516.12-15,974.02

Finding the Fourth Proportional to 27,910.99, 38,516.12 and 15,974.02

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Solution

The fourth proportional to 27,910.99, 38,516.12 and 15,974.02 is: 22,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.99 : 38,516.12 = 15,974.02 : x
  2. Step 2: Convert to fraction form
    27,910.99/38,516.12 = 15,974.02/x
  3. Step 3: Cross multiply
    27,910.99x = 38,516.12 × 15,974.02
  4. Step 4: Simplify right side
    27,910.99x = 615,257,078.62
  5. Step 5: Solve for x
    x = 615,257,078.62/27,910.99
  6. Step 6: Final answer
    x = 22,043.55

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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.