Home / 26,666.50-40,006.23-8,198.50

Finding the Fourth Proportional to 26,666.50, 40,006.23 and 8,198.50

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Solution

The fourth proportional to 26,666.50, 40,006.23 and 8,198.50 is: 12,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.50 : 40,006.23 = 8,198.50 : x
  2. Step 2: Convert to fraction form
    26,666.50/40,006.23 = 8,198.50/x
  3. Step 3: Cross multiply
    26,666.50x = 40,006.23 × 8,198.50
  4. Step 4: Simplify right side
    26,666.50x = 327,991,076.66
  5. Step 5: Solve for x
    x = 327,991,076.66/26,666.50
  6. Step 6: Final answer
    x = 12,299.74

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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.