Home / 28,467.92-42,643.87-17,216.42

Finding the Fourth Proportional to 28,467.92, 42,643.87 and 17,216.42

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Solution

The fourth proportional to 28,467.92, 42,643.87 and 17,216.42 is: 25,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.92 : 42,643.87 = 17,216.42 : x
  2. Step 2: Convert to fraction form
    28,467.92/42,643.87 = 17,216.42/x
  3. Step 3: Cross multiply
    28,467.92x = 42,643.87 × 17,216.42
  4. Step 4: Simplify right side
    28,467.92x = 734,174,520.09
  5. Step 5: Solve for x
    x = 734,174,520.09/28,467.92
  6. Step 6: Final answer
    x = 25,789.54

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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.