Home / 26,960.80-40,431.60-12,176.80

Finding the Fourth Proportional to 26,960.80, 40,431.60 and 12,176.80

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Solution

The fourth proportional to 26,960.80, 40,431.60 and 12,176.80 is: 18,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,960.80 : 40,431.60 = 12,176.80 : x
  2. Step 2: Convert to fraction form
    26,960.80/40,431.60 = 12,176.80/x
  3. Step 3: Cross multiply
    26,960.80x = 40,431.60 × 12,176.80
  4. Step 4: Simplify right side
    26,960.80x = 492,327,506.88
  5. Step 5: Solve for x
    x = 492,327,506.88/26,960.80
  6. Step 6: Final answer
    x = 18,260.86

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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.