Home / 27,948.13-38,568.92-15,201.59

Finding the Fourth Proportional to 27,948.13, 38,568.92 and 15,201.59

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Solution

The fourth proportional to 27,948.13, 38,568.92 and 15,201.59 is: 20,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.13 : 38,568.92 = 15,201.59 : x
  2. Step 2: Convert to fraction form
    27,948.13/38,568.92 = 15,201.59/x
  3. Step 3: Cross multiply
    27,948.13x = 38,568.92 × 15,201.59
  4. Step 4: Simplify right side
    27,948.13x = 586,308,832.57
  5. Step 5: Solve for x
    x = 586,308,832.57/27,948.13
  6. Step 6: Final answer
    x = 20,978.47

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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.