Home / 17,960.80-26,939.32-4,814.52

Finding the Fourth Proportional to 17,960.80, 26,939.32 and 4,814.52

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Solution

The fourth proportional to 17,960.80, 26,939.32 and 4,814.52 is: 7,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.80 : 26,939.32 = 4,814.52 : x
  2. Step 2: Convert to fraction form
    17,960.80/26,939.32 = 4,814.52/x
  3. Step 3: Cross multiply
    17,960.80x = 26,939.32 × 4,814.52
  4. Step 4: Simplify right side
    17,960.80x = 129,699,894.93
  5. Step 5: Solve for x
    x = 129,699,894.93/17,960.80
  6. Step 6: Final answer
    x = 7,221.28

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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.