Home / 26,262.78-39,379.56-8,723.04

Finding the Fourth Proportional to 26,262.78, 39,379.56 and 8,723.04

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Solution

The fourth proportional to 26,262.78, 39,379.56 and 8,723.04 is: 13,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,262.78 : 39,379.56 = 8,723.04 : x
  2. Step 2: Convert to fraction form
    26,262.78/39,379.56 = 8,723.04/x
  3. Step 3: Cross multiply
    26,262.78x = 39,379.56 × 8,723.04
  4. Step 4: Simplify right side
    26,262.78x = 343,509,477.06
  5. Step 5: Solve for x
    x = 343,509,477.06/26,262.78
  6. Step 6: Final answer
    x = 13,079.71

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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.