Home / 28,852.25-43,245.56-12,201.89

Finding the Fourth Proportional to 28,852.25, 43,245.56 and 12,201.89

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Solution

The fourth proportional to 28,852.25, 43,245.56 and 12,201.89 is: 18,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.25 : 43,245.56 = 12,201.89 : x
  2. Step 2: Convert to fraction form
    28,852.25/43,245.56 = 12,201.89/x
  3. Step 3: Cross multiply
    28,852.25x = 43,245.56 × 12,201.89
  4. Step 4: Simplify right side
    28,852.25x = 527,677,380.39
  5. Step 5: Solve for x
    x = 527,677,380.39/28,852.25
  6. Step 6: Final answer
    x = 18,288.95

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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.