Home / 27,515.50-41,267.78-13,469.48

Finding the Fourth Proportional to 27,515.50, 41,267.78 and 13,469.48

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Solution

The fourth proportional to 27,515.50, 41,267.78 and 13,469.48 is: 20,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.50 : 41,267.78 = 13,469.48 : x
  2. Step 2: Convert to fraction form
    27,515.50/41,267.78 = 13,469.48/x
  3. Step 3: Cross multiply
    27,515.50x = 41,267.78 × 13,469.48
  4. Step 4: Simplify right side
    27,515.50x = 555,855,537.35
  5. Step 5: Solve for x
    x = 555,855,537.35/27,515.50
  6. Step 6: Final answer
    x = 20,201.54

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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.