Home / 17,940.70-26,910.60-4,792.78

Finding the Fourth Proportional to 17,940.70, 26,910.60 and 4,792.78

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Solution

The fourth proportional to 17,940.70, 26,910.60 and 4,792.78 is: 7,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.70 : 26,910.60 = 4,792.78 : x
  2. Step 2: Convert to fraction form
    17,940.70/26,910.60 = 4,792.78/x
  3. Step 3: Cross multiply
    17,940.70x = 26,910.60 × 4,792.78
  4. Step 4: Simplify right side
    17,940.70x = 128,976,585.47
  5. Step 5: Solve for x
    x = 128,976,585.47/17,940.70
  6. Step 6: Final answer
    x = 7,189.05

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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.