Home / 27,829.20-41,748.39-13,789.89

Finding the Fourth Proportional to 27,829.20, 41,748.39 and 13,789.89

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Solution

The fourth proportional to 27,829.20, 41,748.39 and 13,789.89 is: 20,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.20 : 41,748.39 = 13,789.89 : x
  2. Step 2: Convert to fraction form
    27,829.20/41,748.39 = 13,789.89/x
  3. Step 3: Cross multiply
    27,829.20x = 41,748.39 × 13,789.89
  4. Step 4: Simplify right side
    27,829.20x = 575,705,705.78
  5. Step 5: Solve for x
    x = 575,705,705.78/27,829.20
  6. Step 6: Final answer
    x = 20,687.11

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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.