Home / 26,829.45-40,249.94-8,108.01

Finding the Fourth Proportional to 26,829.45, 40,249.94 and 8,108.01

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Solution

The fourth proportional to 26,829.45, 40,249.94 and 8,108.01 is: 12,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.45 : 40,249.94 = 8,108.01 : x
  2. Step 2: Convert to fraction form
    26,829.45/40,249.94 = 8,108.01/x
  3. Step 3: Cross multiply
    26,829.45x = 40,249.94 × 8,108.01
  4. Step 4: Simplify right side
    26,829.45x = 326,346,875.48
  5. Step 5: Solve for x
    x = 326,346,875.48/26,829.45
  6. Step 6: Final answer
    x = 12,163.76

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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.