Home / 27,961.07-41,942.93-8,239.80

Finding the Fourth Proportional to 27,961.07, 41,942.93 and 8,239.80

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Solution

The fourth proportional to 27,961.07, 41,942.93 and 8,239.80 is: 12,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.07 : 41,942.93 = 8,239.80 : x
  2. Step 2: Convert to fraction form
    27,961.07/41,942.93 = 8,239.80/x
  3. Step 3: Cross multiply
    27,961.07x = 41,942.93 × 8,239.80
  4. Step 4: Simplify right side
    27,961.07x = 345,601,313.42
  5. Step 5: Solve for x
    x = 345,601,313.42/27,961.07
  6. Step 6: Final answer
    x = 12,360.09

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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.