Home / 26,629.21-39,936.96-7,904.81

Finding the Fourth Proportional to 26,629.21, 39,936.96 and 7,904.81

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Solution

The fourth proportional to 26,629.21, 39,936.96 and 7,904.81 is: 11,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.21 : 39,936.96 = 7,904.81 : x
  2. Step 2: Convert to fraction form
    26,629.21/39,936.96 = 7,904.81/x
  3. Step 3: Cross multiply
    26,629.21x = 39,936.96 × 7,904.81
  4. Step 4: Simplify right side
    26,629.21x = 315,694,080.78
  5. Step 5: Solve for x
    x = 315,694,080.78/26,629.21
  6. Step 6: Final answer
    x = 11,855.18

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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.