Home / 27,922.80-41,859.90-16,817.70

Finding the Fourth Proportional to 27,922.80, 41,859.90 and 16,817.70

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Solution

The fourth proportional to 27,922.80, 41,859.90 and 16,817.70 is: 25,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.80 : 41,859.90 = 16,817.70 : x
  2. Step 2: Convert to fraction form
    27,922.80/41,859.90 = 16,817.70/x
  3. Step 3: Cross multiply
    27,922.80x = 41,859.90 × 16,817.70
  4. Step 4: Simplify right side
    27,922.80x = 703,987,240.23
  5. Step 5: Solve for x
    x = 703,987,240.23/27,922.80
  6. Step 6: Final answer
    x = 25,211.91

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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.