Home / 27,947.66-38,567.38-15,200.56

Finding the Fourth Proportional to 27,947.66, 38,567.38 and 15,200.56

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Solution

The fourth proportional to 27,947.66, 38,567.38 and 15,200.56 is: 20,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.66 : 38,567.38 = 15,200.56 : x
  2. Step 2: Convert to fraction form
    27,947.66/38,567.38 = 15,200.56/x
  3. Step 3: Cross multiply
    27,947.66x = 38,567.38 × 15,200.56
  4. Step 4: Simplify right side
    27,947.66x = 586,245,773.73
  5. Step 5: Solve for x
    x = 586,245,773.73/27,947.66
  6. Step 6: Final answer
    x = 20,976.56

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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.