Home / 27,983.20-41,974.80-9,258.20

Finding the Fourth Proportional to 27,983.20, 41,974.80 and 9,258.20

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Solution

The fourth proportional to 27,983.20, 41,974.80 and 9,258.20 is: 13,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.20 : 41,974.80 = 9,258.20 : x
  2. Step 2: Convert to fraction form
    27,983.20/41,974.80 = 9,258.20/x
  3. Step 3: Cross multiply
    27,983.20x = 41,974.80 × 9,258.20
  4. Step 4: Simplify right side
    27,983.20x = 388,611,093.36
  5. Step 5: Solve for x
    x = 388,611,093.36/27,983.20
  6. Step 6: Final answer
    x = 13,887.30

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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.