Home / 26,112.36-39,165.30-8,581.80

Finding the Fourth Proportional to 26,112.36, 39,165.30 and 8,581.80

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Solution

The fourth proportional to 26,112.36, 39,165.30 and 8,581.80 is: 12,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.36 : 39,165.30 = 8,581.80 : x
  2. Step 2: Convert to fraction form
    26,112.36/39,165.30 = 8,581.80/x
  3. Step 3: Cross multiply
    26,112.36x = 39,165.30 × 8,581.80
  4. Step 4: Simplify right side
    26,112.36x = 336,108,771.54
  5. Step 5: Solve for x
    x = 336,108,771.54/26,112.36
  6. Step 6: Final answer
    x = 12,871.64

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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.