Home / 26,680.48-40,020.76-7,960.04

Finding the Fourth Proportional to 26,680.48, 40,020.76 and 7,960.04

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Solution

The fourth proportional to 26,680.48, 40,020.76 and 7,960.04 is: 11,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.48 : 40,020.76 = 7,960.04 : x
  2. Step 2: Convert to fraction form
    26,680.48/40,020.76 = 7,960.04/x
  3. Step 3: Cross multiply
    26,680.48x = 40,020.76 × 7,960.04
  4. Step 4: Simplify right side
    26,680.48x = 318,566,850.43
  5. Step 5: Solve for x
    x = 318,566,850.43/26,680.48
  6. Step 6: Final answer
    x = 11,940.07

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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.