Home / 27,530.20-41,295.30-19,811.80

Finding the Fourth Proportional to 27,530.20, 41,295.30 and 19,811.80

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Solution

The fourth proportional to 27,530.20, 41,295.30 and 19,811.80 is: 29,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.20 : 41,295.30 = 19,811.80 : x
  2. Step 2: Convert to fraction form
    27,530.20/41,295.30 = 19,811.80/x
  3. Step 3: Cross multiply
    27,530.20x = 41,295.30 × 19,811.80
  4. Step 4: Simplify right side
    27,530.20x = 818,134,224.54
  5. Step 5: Solve for x
    x = 818,134,224.54/27,530.20
  6. Step 6: Final answer
    x = 29,717.70

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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.