Home / 26,190.24-36,136.22-15,435.54

Finding the Fourth Proportional to 26,190.24, 36,136.22 and 15,435.54

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Solution

The fourth proportional to 26,190.24, 36,136.22 and 15,435.54 is: 21,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.24 : 36,136.22 = 15,435.54 : x
  2. Step 2: Convert to fraction form
    26,190.24/36,136.22 = 15,435.54/x
  3. Step 3: Cross multiply
    26,190.24x = 36,136.22 × 15,435.54
  4. Step 4: Simplify right side
    26,190.24x = 557,781,914.45
  5. Step 5: Solve for x
    x = 557,781,914.45/26,190.24
  6. Step 6: Final answer
    x = 21,297.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.