Home / 27,279.20-40,910.70-10,629.65

Finding the Fourth Proportional to 27,279.20, 40,910.70 and 10,629.65

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Solution

The fourth proportional to 27,279.20, 40,910.70 and 10,629.65 is: 15,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.20 : 40,910.70 = 10,629.65 : x
  2. Step 2: Convert to fraction form
    27,279.20/40,910.70 = 10,629.65/x
  3. Step 3: Cross multiply
    27,279.20x = 40,910.70 × 10,629.65
  4. Step 4: Simplify right side
    27,279.20x = 434,866,422.26
  5. Step 5: Solve for x
    x = 434,866,422.26/27,279.20
  6. Step 6: Final answer
    x = 15,941.32

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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.