Home / 27,828.21-41,747.54-11,189.51

Finding the Fourth Proportional to 27,828.21, 41,747.54 and 11,189.51

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Solution

The fourth proportional to 27,828.21, 41,747.54 and 11,189.51 is: 16,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.21 : 41,747.54 = 11,189.51 : x
  2. Step 2: Convert to fraction form
    27,828.21/41,747.54 = 11,189.51/x
  3. Step 3: Cross multiply
    27,828.21x = 41,747.54 × 11,189.51
  4. Step 4: Simplify right side
    27,828.21x = 467,134,251.62
  5. Step 5: Solve for x
    x = 467,134,251.62/27,828.21
  6. Step 6: Final answer
    x = 16,786.36

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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.