Home / 27,379.85-41,069.78-18,048.65

Finding the Fourth Proportional to 27,379.85, 41,069.78 and 18,048.65

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Solution

The fourth proportional to 27,379.85, 41,069.78 and 18,048.65 is: 27,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.85 : 41,069.78 = 18,048.65 : x
  2. Step 2: Convert to fraction form
    27,379.85/41,069.78 = 18,048.65/x
  3. Step 3: Cross multiply
    27,379.85x = 41,069.78 × 18,048.65
  4. Step 4: Simplify right side
    27,379.85x = 741,253,994.55
  5. Step 5: Solve for x
    x = 741,253,994.55/27,379.85
  6. Step 6: Final answer
    x = 27,072.98

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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.