Home / 27,734.16-38,273.16-15,158.91

Finding the Fourth Proportional to 27,734.16, 38,273.16 and 15,158.91

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Solution

The fourth proportional to 27,734.16, 38,273.16 and 15,158.91 is: 20,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.16 : 38,273.16 = 15,158.91 : x
  2. Step 2: Convert to fraction form
    27,734.16/38,273.16 = 15,158.91/x
  3. Step 3: Cross multiply
    27,734.16x = 38,273.16 × 15,158.91
  4. Step 4: Simplify right side
    27,734.16x = 580,179,387.86
  5. Step 5: Solve for x
    x = 580,179,387.86/27,734.16
  6. Step 6: Final answer
    x = 20,919.31

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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.