Home / 28,468.25-42,703.92-11,829.96

Finding the Fourth Proportional to 28,468.25, 42,703.92 and 11,829.96

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Solution

The fourth proportional to 28,468.25, 42,703.92 and 11,829.96 is: 17,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.25 : 42,703.92 = 11,829.96 : x
  2. Step 2: Convert to fraction form
    28,468.25/42,703.92 = 11,829.96/x
  3. Step 3: Cross multiply
    28,468.25x = 42,703.92 × 11,829.96
  4. Step 4: Simplify right side
    28,468.25x = 505,185,665.44
  5. Step 5: Solve for x
    x = 505,185,665.44/28,468.25
  6. Step 6: Final answer
    x = 17,745.59

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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.