Home / 27,379.97-41,075.01-8,664.71

Finding the Fourth Proportional to 27,379.97, 41,075.01 and 8,664.71

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Solution

The fourth proportional to 27,379.97, 41,075.01 and 8,664.71 is: 12,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.97 : 41,075.01 = 8,664.71 : x
  2. Step 2: Convert to fraction form
    27,379.97/41,075.01 = 8,664.71/x
  3. Step 3: Cross multiply
    27,379.97x = 41,075.01 × 8,664.71
  4. Step 4: Simplify right side
    27,379.97x = 355,903,049.90
  5. Step 5: Solve for x
    x = 355,903,049.90/27,379.97
  6. Step 6: Final answer
    x = 12,998.66

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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.