Home / 27,378.87-41,073.37-8,663.62

Finding the Fourth Proportional to 27,378.87, 41,073.37 and 8,663.62

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Solution

The fourth proportional to 27,378.87, 41,073.37 and 8,663.62 is: 12,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.87 : 41,073.37 = 8,663.62 : x
  2. Step 2: Convert to fraction form
    27,378.87/41,073.37 = 8,663.62/x
  3. Step 3: Cross multiply
    27,378.87x = 41,073.37 × 8,663.62
  4. Step 4: Simplify right side
    27,378.87x = 355,844,069.80
  5. Step 5: Solve for x
    x = 355,844,069.80/27,378.87
  6. Step 6: Final answer
    x = 12,997.03

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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.