Home / 27,797.25-38,360.57-15,221.73

Finding the Fourth Proportional to 27,797.25, 38,360.57 and 15,221.73

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Solution

The fourth proportional to 27,797.25, 38,360.57 and 15,221.73 is: 21,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.25 : 38,360.57 = 15,221.73 : x
  2. Step 2: Convert to fraction form
    27,797.25/38,360.57 = 15,221.73/x
  3. Step 3: Cross multiply
    27,797.25x = 38,360.57 × 15,221.73
  4. Step 4: Simplify right side
    27,797.25x = 583,914,163.08
  5. Step 5: Solve for x
    x = 583,914,163.08/27,797.25
  6. Step 6: Final answer
    x = 21,006.18

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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.