Home / 17,940.72-26,893.62-8,578.32

Finding the Fourth Proportional to 17,940.72, 26,893.62 and 8,578.32

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Solution

The fourth proportional to 17,940.72, 26,893.62 and 8,578.32 is: 12,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.72 : 26,893.62 = 8,578.32 : x
  2. Step 2: Convert to fraction form
    17,940.72/26,893.62 = 8,578.32/x
  3. Step 3: Cross multiply
    17,940.72x = 26,893.62 × 8,578.32
  4. Step 4: Simplify right side
    17,940.72x = 230,702,078.32
  5. Step 5: Solve for x
    x = 230,702,078.32/17,940.72
  6. Step 6: Final answer
    x = 12,859.13

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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.