Home / 26,939.17-40,409.41-9,169.80

Finding the Fourth Proportional to 26,939.17, 40,409.41 and 9,169.80

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Solution

The fourth proportional to 26,939.17, 40,409.41 and 9,169.80 is: 13,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.17 : 40,409.41 = 9,169.80 : x
  2. Step 2: Convert to fraction form
    26,939.17/40,409.41 = 9,169.80/x
  3. Step 3: Cross multiply
    26,939.17x = 40,409.41 × 9,169.80
  4. Step 4: Simplify right side
    26,939.17x = 370,546,207.82
  5. Step 5: Solve for x
    x = 370,546,207.82/26,939.17
  6. Step 6: Final answer
    x = 13,754.92

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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.