Home / 28,107.33-42,163.44-11,468.52

Finding the Fourth Proportional to 28,107.33, 42,163.44 and 11,468.52

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Solution

The fourth proportional to 28,107.33, 42,163.44 and 11,468.52 is: 17,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.33 : 42,163.44 = 11,468.52 : x
  2. Step 2: Convert to fraction form
    28,107.33/42,163.44 = 11,468.52/x
  3. Step 3: Cross multiply
    28,107.33x = 42,163.44 × 11,468.52
  4. Step 4: Simplify right side
    28,107.33x = 483,552,254.91
  5. Step 5: Solve for x
    x = 483,552,254.91/28,107.33
  6. Step 6: Final answer
    x = 17,203.78

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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.