Home / 27,947.76-38,568.17-15,201.06

Finding the Fourth Proportional to 27,947.76, 38,568.17 and 15,201.06

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Solution

The fourth proportional to 27,947.76, 38,568.17 and 15,201.06 is: 20,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.76 : 38,568.17 = 15,201.06 : x
  2. Step 2: Convert to fraction form
    27,947.76/38,568.17 = 15,201.06/x
  3. Step 3: Cross multiply
    27,947.76x = 38,568.17 × 15,201.06
  4. Step 4: Simplify right side
    27,947.76x = 586,277,066.26
  5. Step 5: Solve for x
    x = 586,277,066.26/27,947.76
  6. Step 6: Final answer
    x = 20,977.60

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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.