Home / 26,198.08-39,299.68-7,735.36

Finding the Fourth Proportional to 26,198.08, 39,299.68 and 7,735.36

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Solution

The fourth proportional to 26,198.08, 39,299.68 and 7,735.36 is: 11,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.08 : 39,299.68 = 7,735.36 : x
  2. Step 2: Convert to fraction form
    26,198.08/39,299.68 = 7,735.36/x
  3. Step 3: Cross multiply
    26,198.08x = 39,299.68 × 7,735.36
  4. Step 4: Simplify right side
    26,198.08x = 303,997,172.68
  5. Step 5: Solve for x
    x = 303,997,172.68/26,198.08
  6. Step 6: Final answer
    x = 11,603.80

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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.