Home / 26,680.08-39,936.24-18,311.16

Finding the Fourth Proportional to 26,680.08, 39,936.24 and 18,311.16

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Solution

The fourth proportional to 26,680.08, 39,936.24 and 18,311.16 is: 27,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.08 : 39,936.24 = 18,311.16 : x
  2. Step 2: Convert to fraction form
    26,680.08/39,936.24 = 18,311.16/x
  3. Step 3: Cross multiply
    26,680.08x = 39,936.24 × 18,311.16
  4. Step 4: Simplify right side
    26,680.08x = 731,278,880.44
  5. Step 5: Solve for x
    x = 731,278,880.44/26,680.08
  6. Step 6: Final answer
    x = 27,409.17

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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.