Home / 27,986.34-41,979.46-19,194.60

Finding the Fourth Proportional to 27,986.34, 41,979.46 and 19,194.60

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Solution

The fourth proportional to 27,986.34, 41,979.46 and 19,194.60 is: 28,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.34 : 41,979.46 = 19,194.60 : x
  2. Step 2: Convert to fraction form
    27,986.34/41,979.46 = 19,194.60/x
  3. Step 3: Cross multiply
    27,986.34x = 41,979.46 × 19,194.60
  4. Step 4: Simplify right side
    27,986.34x = 805,778,942.92
  5. Step 5: Solve for x
    x = 805,778,942.92/27,986.34
  6. Step 6: Final answer
    x = 28,791.87

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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.