Home / 28,766.76-43,087.80-13,944.66

Finding the Fourth Proportional to 28,766.76, 43,087.80 and 13,944.66

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Solution

The fourth proportional to 28,766.76, 43,087.80 and 13,944.66 is: 20,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.76 : 43,087.80 = 13,944.66 : x
  2. Step 2: Convert to fraction form
    28,766.76/43,087.80 = 13,944.66/x
  3. Step 3: Cross multiply
    28,766.76x = 43,087.80 × 13,944.66
  4. Step 4: Simplify right side
    28,766.76x = 600,844,721.15
  5. Step 5: Solve for x
    x = 600,844,721.15/28,766.76
  6. Step 6: Final answer
    x = 20,886.77

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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.