Home / 27,589.28-38,077.31-16,255.15

Finding the Fourth Proportional to 27,589.28, 38,077.31 and 16,255.15

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Solution

The fourth proportional to 27,589.28, 38,077.31 and 16,255.15 is: 22,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.28 : 38,077.31 = 16,255.15 : x
  2. Step 2: Convert to fraction form
    27,589.28/38,077.31 = 16,255.15/x
  3. Step 3: Cross multiply
    27,589.28x = 38,077.31 × 16,255.15
  4. Step 4: Simplify right side
    27,589.28x = 618,952,385.65
  5. Step 5: Solve for x
    x = 618,952,385.65/27,589.28
  6. Step 6: Final answer
    x = 22,434.52

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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.