Home / 26,805.65-40,144.92-21,241.10

Finding the Fourth Proportional to 26,805.65, 40,144.92 and 21,241.10

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Solution

The fourth proportional to 26,805.65, 40,144.92 and 21,241.10 is: 31,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.65 : 40,144.92 = 21,241.10 : x
  2. Step 2: Convert to fraction form
    26,805.65/40,144.92 = 21,241.10/x
  3. Step 3: Cross multiply
    26,805.65x = 40,144.92 × 21,241.10
  4. Step 4: Simplify right side
    26,805.65x = 852,722,280.92
  5. Step 5: Solve for x
    x = 852,722,280.92/26,805.65
  6. Step 6: Final answer
    x = 31,811.29

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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.