Home / 26,799.12-40,215.42-11,216.88

Finding the Fourth Proportional to 26,799.12, 40,215.42 and 11,216.88

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Solution

The fourth proportional to 26,799.12, 40,215.42 and 11,216.88 is: 16,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.12 : 40,215.42 = 11,216.88 : x
  2. Step 2: Convert to fraction form
    26,799.12/40,215.42 = 11,216.88/x
  3. Step 3: Cross multiply
    26,799.12x = 40,215.42 × 11,216.88
  4. Step 4: Simplify right side
    26,799.12x = 451,091,540.29
  5. Step 5: Solve for x
    x = 451,091,540.29/26,799.12
  6. Step 6: Final answer
    x = 16,832.33

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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.