Home / 17,939.69-26,892.08-8,577.28

Finding the Fourth Proportional to 17,939.69, 26,892.08 and 8,577.28

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Solution

The fourth proportional to 17,939.69, 26,892.08 and 8,577.28 is: 12,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.69 : 26,892.08 = 8,577.28 : x
  2. Step 2: Convert to fraction form
    17,939.69/26,892.08 = 8,577.28/x
  3. Step 3: Cross multiply
    17,939.69x = 26,892.08 × 8,577.28
  4. Step 4: Simplify right side
    17,939.69x = 230,661,046.72
  5. Step 5: Solve for x
    x = 230,661,046.72/17,939.69
  6. Step 6: Final answer
    x = 12,857.58

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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.