Home / 26,716.32-40,078.80-11,135.52

Finding the Fourth Proportional to 26,716.32, 40,078.80 and 11,135.52

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Solution

The fourth proportional to 26,716.32, 40,078.80 and 11,135.52 is: 16,705.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.32 : 40,078.80 = 11,135.52 : x
  2. Step 2: Convert to fraction form
    26,716.32/40,078.80 = 11,135.52/x
  3. Step 3: Cross multiply
    26,716.32x = 40,078.80 × 11,135.52
  4. Step 4: Simplify right side
    26,716.32x = 446,298,278.98
  5. Step 5: Solve for x
    x = 446,298,278.98/26,716.32
  6. Step 6: Final answer
    x = 16,705.08

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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.