Home / 26,982.78-40,484.69-17,129.94

Finding the Fourth Proportional to 26,982.78, 40,484.69 and 17,129.94

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Solution

The fourth proportional to 26,982.78, 40,484.69 and 17,129.94 is: 25,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.78 : 40,484.69 = 17,129.94 : x
  2. Step 2: Convert to fraction form
    26,982.78/40,484.69 = 17,129.94/x
  3. Step 3: Cross multiply
    26,982.78x = 40,484.69 × 17,129.94
  4. Step 4: Simplify right side
    26,982.78x = 693,500,310.62
  5. Step 5: Solve for x
    x = 693,500,310.62/26,982.78
  6. Step 6: Final answer
    x = 25,701.59

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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.