Home / 27,698.20-41,520.30-15,839.80

Finding the Fourth Proportional to 27,698.20, 41,520.30 and 15,839.80

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Solution

The fourth proportional to 27,698.20, 41,520.30 and 15,839.80 is: 23,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.20 : 41,520.30 = 15,839.80 : x
  2. Step 2: Convert to fraction form
    27,698.20/41,520.30 = 15,839.80/x
  3. Step 3: Cross multiply
    27,698.20x = 41,520.30 × 15,839.80
  4. Step 4: Simplify right side
    27,698.20x = 657,673,247.94
  5. Step 5: Solve for x
    x = 657,673,247.94/27,698.20
  6. Step 6: Final answer
    x = 23,744.26

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1.5x scale

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.