Home / 26,538.82-39,814.91-9,899.39

Finding the Fourth Proportional to 26,538.82, 39,814.91 and 9,899.39

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Solution

The fourth proportional to 26,538.82, 39,814.91 and 9,899.39 is: 14,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.82 : 39,814.91 = 9,899.39 : x
  2. Step 2: Convert to fraction form
    26,538.82/39,814.91 = 9,899.39/x
  3. Step 3: Cross multiply
    26,538.82x = 39,814.91 × 9,899.39
  4. Step 4: Simplify right side
    26,538.82x = 394,143,321.90
  5. Step 5: Solve for x
    x = 394,143,321.90/26,538.82
  6. Step 6: Final answer
    x = 14,851.58

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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.