Home / 27,845.20-41,698.56-19,486.09

Finding the Fourth Proportional to 27,845.20, 41,698.56 and 19,486.09

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Solution

The fourth proportional to 27,845.20, 41,698.56 and 19,486.09 is: 29,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.20 : 41,698.56 = 19,486.09 : x
  2. Step 2: Convert to fraction form
    27,845.20/41,698.56 = 19,486.09/x
  3. Step 3: Cross multiply
    27,845.20x = 41,698.56 × 19,486.09
  4. Step 4: Simplify right side
    27,845.20x = 812,541,684.54
  5. Step 5: Solve for x
    x = 812,541,684.54/27,845.20
  6. Step 6: Final answer
    x = 29,180.68

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1.5x scale

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.