Home / 26,716.86-40,079.70-10,078.38

Finding the Fourth Proportional to 26,716.86, 40,079.70 and 10,078.38

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Solution

The fourth proportional to 26,716.86, 40,079.70 and 10,078.38 is: 15,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.86 : 40,079.70 = 10,078.38 : x
  2. Step 2: Convert to fraction form
    26,716.86/40,079.70 = 10,078.38/x
  3. Step 3: Cross multiply
    26,716.86x = 40,079.70 × 10,078.38
  4. Step 4: Simplify right side
    26,716.86x = 403,938,446.89
  5. Step 5: Solve for x
    x = 403,938,446.89/26,716.86
  6. Step 6: Final answer
    x = 15,119.23

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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.