Home / 27,989.73-41,983.16-10,458.18

Finding the Fourth Proportional to 27,989.73, 41,983.16 and 10,458.18

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Solution

The fourth proportional to 27,989.73, 41,983.16 and 10,458.18 is: 15,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.73 : 41,983.16 = 10,458.18 : x
  2. Step 2: Convert to fraction form
    27,989.73/41,983.16 = 10,458.18/x
  3. Step 3: Cross multiply
    27,989.73x = 41,983.16 × 10,458.18
  4. Step 4: Simplify right side
    27,989.73x = 439,067,391.96
  5. Step 5: Solve for x
    x = 439,067,391.96/27,989.73
  6. Step 6: Final answer
    x = 15,686.73

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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.