Home / 26,161.88-39,238.98-8,629.46

Finding the Fourth Proportional to 26,161.88, 39,238.98 and 8,629.46

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Solution

The fourth proportional to 26,161.88, 39,238.98 and 8,629.46 is: 12,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.88 : 39,238.98 = 8,629.46 : x
  2. Step 2: Convert to fraction form
    26,161.88/39,238.98 = 8,629.46/x
  3. Step 3: Cross multiply
    26,161.88x = 39,238.98 × 8,629.46
  4. Step 4: Simplify right side
    26,161.88x = 338,611,208.35
  5. Step 5: Solve for x
    x = 338,611,208.35/26,161.88
  6. Step 6: Final answer
    x = 12,942.92

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1.5x scale

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.