Home / 17,939.58-26,909.56-4,793.82

Finding the Fourth Proportional to 17,939.58, 26,909.56 and 4,793.82

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Solution

The fourth proportional to 17,939.58, 26,909.56 and 4,793.82 is: 7,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.58 : 26,909.56 = 4,793.82 : x
  2. Step 2: Convert to fraction form
    17,939.58/26,909.56 = 4,793.82/x
  3. Step 3: Cross multiply
    17,939.58x = 26,909.56 × 4,793.82
  4. Step 4: Simplify right side
    17,939.58x = 128,999,586.92
  5. Step 5: Solve for x
    x = 128,999,586.92/17,939.58
  6. Step 6: Final answer
    x = 7,190.78

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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.