Home / 26,850.31-40,282.76-8,130.98

Finding the Fourth Proportional to 26,850.31, 40,282.76 and 8,130.98

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Solution

The fourth proportional to 26,850.31, 40,282.76 and 8,130.98 is: 12,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,850.31 : 40,282.76 = 8,130.98 : x
  2. Step 2: Convert to fraction form
    26,850.31/40,282.76 = 8,130.98/x
  3. Step 3: Cross multiply
    26,850.31x = 40,282.76 × 8,130.98
  4. Step 4: Simplify right side
    26,850.31x = 327,538,436.94
  5. Step 5: Solve for x
    x = 327,538,436.94/26,850.31
  6. Step 6: Final answer
    x = 12,198.68

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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.