Home / 27,574.65-41,382.84-20,198.28

Finding the Fourth Proportional to 27,574.65, 41,382.84 and 20,198.28

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Solution

The fourth proportional to 27,574.65, 41,382.84 and 20,198.28 is: 30,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.65 : 41,382.84 = 20,198.28 : x
  2. Step 2: Convert to fraction form
    27,574.65/41,382.84 = 20,198.28/x
  3. Step 3: Cross multiply
    27,574.65x = 41,382.84 × 20,198.28
  4. Step 4: Simplify right side
    27,574.65x = 835,862,189.52
  5. Step 5: Solve for x
    x = 835,862,189.52/27,574.65
  6. Step 6: Final answer
    x = 30,312.70

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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.