Home / 28,696.07-43,035.73-11,161.73

Finding the Fourth Proportional to 28,696.07, 43,035.73 and 11,161.73

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Solution

The fourth proportional to 28,696.07, 43,035.73 and 11,161.73 is: 16,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.07 : 43,035.73 = 11,161.73 : x
  2. Step 2: Convert to fraction form
    28,696.07/43,035.73 = 11,161.73/x
  3. Step 3: Cross multiply
    28,696.07x = 43,035.73 × 11,161.73
  4. Step 4: Simplify right side
    28,696.07x = 480,353,198.61
  5. Step 5: Solve for x
    x = 480,353,198.61/28,696.07
  6. Step 6: Final answer
    x = 16,739.34

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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.