Home / 17,939.72-26,892.12-8,577.32

Finding the Fourth Proportional to 17,939.72, 26,892.12 and 8,577.32

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Solution

The fourth proportional to 17,939.72, 26,892.12 and 8,577.32 is: 12,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.72 : 26,892.12 = 8,577.32 : x
  2. Step 2: Convert to fraction form
    17,939.72/26,892.12 = 8,577.32/x
  3. Step 3: Cross multiply
    17,939.72x = 26,892.12 × 8,577.32
  4. Step 4: Simplify right side
    17,939.72x = 230,662,184.26
  5. Step 5: Solve for x
    x = 230,662,184.26/17,939.72
  6. Step 6: Final answer
    x = 12,857.63

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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.