Home / 17,939.36-26,909.04-5,458.28

Finding the Fourth Proportional to 17,939.36, 26,909.04 and 5,458.28

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Solution

The fourth proportional to 17,939.36, 26,909.04 and 5,458.28 is: 8,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.36 : 26,909.04 = 5,458.28 : x
  2. Step 2: Convert to fraction form
    17,939.36/26,909.04 = 5,458.28/x
  3. Step 3: Cross multiply
    17,939.36x = 26,909.04 × 5,458.28
  4. Step 4: Simplify right side
    17,939.36x = 146,876,960.77
  5. Step 5: Solve for x
    x = 146,876,960.77/17,939.36
  6. Step 6: Final answer
    x = 8,187.41

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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.