Home / 27,320.16-40,976.82-7,600.25

Finding the Fourth Proportional to 27,320.16, 40,976.82 and 7,600.25

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Solution

The fourth proportional to 27,320.16, 40,976.82 and 7,600.25 is: 11,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.16 : 40,976.82 = 7,600.25 : x
  2. Step 2: Convert to fraction form
    27,320.16/40,976.82 = 7,600.25/x
  3. Step 3: Cross multiply
    27,320.16x = 40,976.82 × 7,600.25
  4. Step 4: Simplify right side
    27,320.16x = 311,434,178.65
  5. Step 5: Solve for x
    x = 311,434,178.65/27,320.16
  6. Step 6: Final answer
    x = 11,399.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.