Home / 28,982.25-43,464.69-11,209.77

Finding the Fourth Proportional to 28,982.25, 43,464.69 and 11,209.77

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Solution

The fourth proportional to 28,982.25, 43,464.69 and 11,209.77 is: 16,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.25 : 43,464.69 = 11,209.77 : x
  2. Step 2: Convert to fraction form
    28,982.25/43,464.69 = 11,209.77/x
  3. Step 3: Cross multiply
    28,982.25x = 43,464.69 × 11,209.77
  4. Step 4: Simplify right side
    28,982.25x = 487,229,178.02
  5. Step 5: Solve for x
    x = 487,229,178.02/28,982.25
  6. Step 6: Final answer
    x = 16,811.30

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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.