Home / 27,680.39-41,522.61-7,959.12

Finding the Fourth Proportional to 27,680.39, 41,522.61 and 7,959.12

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Solution

The fourth proportional to 27,680.39, 41,522.61 and 7,959.12 is: 11,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.39 : 41,522.61 = 7,959.12 : x
  2. Step 2: Convert to fraction form
    27,680.39/41,522.61 = 7,959.12/x
  3. Step 3: Cross multiply
    27,680.39x = 41,522.61 × 7,959.12
  4. Step 4: Simplify right side
    27,680.39x = 330,483,435.70
  5. Step 5: Solve for x
    x = 330,483,435.70/27,680.39
  6. Step 6: Final answer
    x = 11,939.26

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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.