Home / 26,860.60-40,268.79-11,857.06

Finding the Fourth Proportional to 26,860.60, 40,268.79 and 11,857.06

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Solution

The fourth proportional to 26,860.60, 40,268.79 and 11,857.06 is: 17,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.60 : 40,268.79 = 11,857.06 : x
  2. Step 2: Convert to fraction form
    26,860.60/40,268.79 = 11,857.06/x
  3. Step 3: Cross multiply
    26,860.60x = 40,268.79 × 11,857.06
  4. Step 4: Simplify right side
    26,860.60x = 477,469,459.16
  5. Step 5: Solve for x
    x = 477,469,459.16/26,860.60
  6. Step 6: Final answer
    x = 17,775.83

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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.