Home / 27,621.13-38,120.91-16,293.82

Finding the Fourth Proportional to 27,621.13, 38,120.91 and 16,293.82

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Solution

The fourth proportional to 27,621.13, 38,120.91 and 16,293.82 is: 22,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.13 : 38,120.91 = 16,293.82 : x
  2. Step 2: Convert to fraction form
    27,621.13/38,120.91 = 16,293.82/x
  3. Step 3: Cross multiply
    27,621.13x = 38,120.91 × 16,293.82
  4. Step 4: Simplify right side
    27,621.13x = 621,135,245.78
  5. Step 5: Solve for x
    x = 621,135,245.78/27,621.13
  6. Step 6: Final answer
    x = 22,487.68

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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.