Home / 27,855.30-41,771.19-11,838.36

Finding the Fourth Proportional to 27,855.30, 41,771.19 and 11,838.36

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Solution

The fourth proportional to 27,855.30, 41,771.19 and 11,838.36 is: 17,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855.30 : 41,771.19 = 11,838.36 : x
  2. Step 2: Convert to fraction form
    27,855.30/41,771.19 = 11,838.36/x
  3. Step 3: Cross multiply
    27,855.30x = 41,771.19 × 11,838.36
  4. Step 4: Simplify right side
    27,855.30x = 494,502,384.85
  5. Step 5: Solve for x
    x = 494,502,384.85/27,855.30
  6. Step 6: Final answer
    x = 17,752.54

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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.