Home / 27,616.80-38,111.17-15,041.55

Finding the Fourth Proportional to 27,616.80, 38,111.17 and 15,041.55

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Solution

The fourth proportional to 27,616.80, 38,111.17 and 15,041.55 is: 20,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.80 : 38,111.17 = 15,041.55 : x
  2. Step 2: Convert to fraction form
    27,616.80/38,111.17 = 15,041.55/x
  3. Step 3: Cross multiply
    27,616.80x = 38,111.17 × 15,041.55
  4. Step 4: Simplify right side
    27,616.80x = 573,250,993.91
  5. Step 5: Solve for x
    x = 573,250,993.91/27,616.80
  6. Step 6: Final answer
    x = 20,757.33

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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.