Home / 26,257.78-39,372.09-8,718.04

Finding the Fourth Proportional to 26,257.78, 39,372.09 and 8,718.04

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Solution

The fourth proportional to 26,257.78, 39,372.09 and 8,718.04 is: 13,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.78 : 39,372.09 = 8,718.04 : x
  2. Step 2: Convert to fraction form
    26,257.78/39,372.09 = 8,718.04/x
  3. Step 3: Cross multiply
    26,257.78x = 39,372.09 × 8,718.04
  4. Step 4: Simplify right side
    26,257.78x = 343,247,455.50
  5. Step 5: Solve for x
    x = 343,247,455.50/26,257.78
  6. Step 6: Final answer
    x = 13,072.22

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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.