Home / 26,111.69-39,163.78-8,344.37

Finding the Fourth Proportional to 26,111.69, 39,163.78 and 8,344.37

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Solution

The fourth proportional to 26,111.69, 39,163.78 and 8,344.37 is: 12,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.69 : 39,163.78 = 8,344.37 : x
  2. Step 2: Convert to fraction form
    26,111.69/39,163.78 = 8,344.37/x
  3. Step 3: Cross multiply
    26,111.69x = 39,163.78 × 8,344.37
  4. Step 4: Simplify right side
    26,111.69x = 326,796,935.49
  5. Step 5: Solve for x
    x = 326,796,935.49/26,111.69
  6. Step 6: Final answer
    x = 12,515.35

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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.