Home / 26,811.24-40,151.22-18,894.30

Finding the Fourth Proportional to 26,811.24, 40,151.22 and 18,894.30

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Solution

The fourth proportional to 26,811.24, 40,151.22 and 18,894.30 is: 28,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,811.24 : 40,151.22 = 18,894.30 : x
  2. Step 2: Convert to fraction form
    26,811.24/40,151.22 = 18,894.30/x
  3. Step 3: Cross multiply
    26,811.24x = 40,151.22 × 18,894.30
  4. Step 4: Simplify right side
    26,811.24x = 758,629,196.05
  5. Step 5: Solve for x
    x = 758,629,196.05/26,811.24
  6. Step 6: Final answer
    x = 28,295.19

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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.