Home / 29,028.98-43,540.50-9,321.68

Finding the Fourth Proportional to 29,028.98, 43,540.50 and 9,321.68

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Solution

The fourth proportional to 29,028.98, 43,540.50 and 9,321.68 is: 13,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,028.98 : 43,540.50 = 9,321.68 : x
  2. Step 2: Convert to fraction form
    29,028.98/43,540.50 = 9,321.68/x
  3. Step 3: Cross multiply
    29,028.98x = 43,540.50 × 9,321.68
  4. Step 4: Simplify right side
    29,028.98x = 405,870,608.04
  5. Step 5: Solve for x
    x = 405,870,608.04/29,028.98
  6. Step 6: Final answer
    x = 13,981.57

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1.5x scale

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.