Home / 27,907.77-41,861.52-7,131.27

Finding the Fourth Proportional to 27,907.77, 41,861.52 and 7,131.27

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Solution

The fourth proportional to 27,907.77, 41,861.52 and 7,131.27 is: 10,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.77 : 41,861.52 = 7,131.27 : x
  2. Step 2: Convert to fraction form
    27,907.77/41,861.52 = 7,131.27/x
  3. Step 3: Cross multiply
    27,907.77x = 41,861.52 × 7,131.27
  4. Step 4: Simplify right side
    27,907.77x = 298,525,801.73
  5. Step 5: Solve for x
    x = 298,525,801.73/27,907.77
  6. Step 6: Final answer
    x = 10,696.87

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1.5x scale

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.