Home / 27,984.85-41,977.22-19,193.11

Finding the Fourth Proportional to 27,984.85, 41,977.22 and 19,193.11

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Solution

The fourth proportional to 27,984.85, 41,977.22 and 19,193.11 is: 28,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.85 : 41,977.22 = 19,193.11 : x
  2. Step 2: Convert to fraction form
    27,984.85/41,977.22 = 19,193.11/x
  3. Step 3: Cross multiply
    27,984.85x = 41,977.22 × 19,193.11
  4. Step 4: Simplify right side
    27,984.85x = 805,673,191.07
  5. Step 5: Solve for x
    x = 805,673,191.07/27,984.85
  6. Step 6: Final answer
    x = 28,789.62

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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.