Home / 27,610.86-38,103.17-15,674.40

Finding the Fourth Proportional to 27,610.86, 38,103.17 and 15,674.40

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Solution

The fourth proportional to 27,610.86, 38,103.17 and 15,674.40 is: 21,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.86 : 38,103.17 = 15,674.40 : x
  2. Step 2: Convert to fraction form
    27,610.86/38,103.17 = 15,674.40/x
  3. Step 3: Cross multiply
    27,610.86x = 38,103.17 × 15,674.40
  4. Step 4: Simplify right side
    27,610.86x = 597,244,327.85
  5. Step 5: Solve for x
    x = 597,244,327.85/27,610.86
  6. Step 6: Final answer
    x = 21,630.78

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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.