Home / 27,939.85-41,911.80-16,822.60

Finding the Fourth Proportional to 27,939.85, 41,911.80 and 16,822.60

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Solution

The fourth proportional to 27,939.85, 41,911.80 and 16,822.60 is: 25,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.85 : 41,911.80 = 16,822.60 : x
  2. Step 2: Convert to fraction form
    27,939.85/41,911.80 = 16,822.60/x
  3. Step 3: Cross multiply
    27,939.85x = 41,911.80 × 16,822.60
  4. Step 4: Simplify right side
    27,939.85x = 705,065,446.68
  5. Step 5: Solve for x
    x = 705,065,446.68/27,939.85
  6. Step 6: Final answer
    x = 25,235.12

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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.