Home / 26,991.12-40,469.33-11,207.05

Finding the Fourth Proportional to 26,991.12, 40,469.33 and 11,207.05

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Solution

The fourth proportional to 26,991.12, 40,469.33 and 11,207.05 is: 16,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.12 : 40,469.33 = 11,207.05 : x
  2. Step 2: Convert to fraction form
    26,991.12/40,469.33 = 11,207.05/x
  3. Step 3: Cross multiply
    26,991.12x = 40,469.33 × 11,207.05
  4. Step 4: Simplify right side
    26,991.12x = 453,541,690.47
  5. Step 5: Solve for x
    x = 453,541,690.47/26,991.12
  6. Step 6: Final answer
    x = 16,803.37

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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.