Home / 27,997.76-38,634.90-16,060.80

Finding the Fourth Proportional to 27,997.76, 38,634.90 and 16,060.80

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Solution

The fourth proportional to 27,997.76, 38,634.90 and 16,060.80 is: 22,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.76 : 38,634.90 = 16,060.80 : x
  2. Step 2: Convert to fraction form
    27,997.76/38,634.90 = 16,060.80/x
  3. Step 3: Cross multiply
    27,997.76x = 38,634.90 × 16,060.80
  4. Step 4: Simplify right side
    27,997.76x = 620,507,401.92
  5. Step 5: Solve for x
    x = 620,507,401.92/27,997.76
  6. Step 6: Final answer
    x = 22,162.75

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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.