Home / 27,910.80-38,516.10-15,973.73

Finding the Fourth Proportional to 27,910.80, 38,516.10 and 15,973.73

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Solution

The fourth proportional to 27,910.80, 38,516.10 and 15,973.73 is: 22,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.80 : 38,516.10 = 15,973.73 : x
  2. Step 2: Convert to fraction form
    27,910.80/38,516.10 = 15,973.73/x
  3. Step 3: Cross multiply
    27,910.80x = 38,516.10 × 15,973.73
  4. Step 4: Simplify right side
    27,910.80x = 615,245,589.47
  5. Step 5: Solve for x
    x = 615,245,589.47/27,910.80
  6. Step 6: Final answer
    x = 22,043.28

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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.