Home / 27,712.11-41,558.72-7,985.37

Finding the Fourth Proportional to 27,712.11, 41,558.72 and 7,985.37

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Solution

The fourth proportional to 27,712.11, 41,558.72 and 7,985.37 is: 11,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.11 : 41,558.72 = 7,985.37 : x
  2. Step 2: Convert to fraction form
    27,712.11/41,558.72 = 7,985.37/x
  3. Step 3: Cross multiply
    27,712.11x = 41,558.72 × 7,985.37
  4. Step 4: Simplify right side
    27,712.11x = 331,861,716.00
  5. Step 5: Solve for x
    x = 331,861,716.00/27,712.11
  6. Step 6: Final answer
    x = 11,975.33

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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.