Home / 28,399.83-39,168.79-27,251.65

Finding the Fourth Proportional to 28,399.83, 39,168.79 and 27,251.65

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Solution

The fourth proportional to 28,399.83, 39,168.79 and 27,251.65 is: 37,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399.83 : 39,168.79 = 27,251.65 : x
  2. Step 2: Convert to fraction form
    28,399.83/39,168.79 = 27,251.65/x
  3. Step 3: Cross multiply
    28,399.83x = 39,168.79 × 27,251.65
  4. Step 4: Simplify right side
    28,399.83x = 1,067,414,156.00
  5. Step 5: Solve for x
    x = 1,067,414,156.00/28,399.83
  6. Step 6: Final answer
    x = 37,585.23

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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.