Home / 27,947.57-38,568.14-15,201.03

Finding the Fourth Proportional to 27,947.57, 38,568.14 and 15,201.03

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Solution

The fourth proportional to 27,947.57, 38,568.14 and 15,201.03 is: 20,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.57 : 38,568.14 = 15,201.03 : x
  2. Step 2: Convert to fraction form
    27,947.57/38,568.14 = 15,201.03/x
  3. Step 3: Cross multiply
    27,947.57x = 38,568.14 × 15,201.03
  4. Step 4: Simplify right side
    27,947.57x = 586,275,377.18
  5. Step 5: Solve for x
    x = 586,275,377.18/27,947.57
  6. Step 6: Final answer
    x = 20,977.69

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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.