Home / 26,861.80-40,292.70-11,290.60

Finding the Fourth Proportional to 26,861.80, 40,292.70 and 11,290.60

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Solution

The fourth proportional to 26,861.80, 40,292.70 and 11,290.60 is: 16,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.80 : 40,292.70 = 11,290.60 : x
  2. Step 2: Convert to fraction form
    26,861.80/40,292.70 = 11,290.60/x
  3. Step 3: Cross multiply
    26,861.80x = 40,292.70 × 11,290.60
  4. Step 4: Simplify right side
    26,861.80x = 454,928,758.62
  5. Step 5: Solve for x
    x = 454,928,758.62/26,861.80
  6. Step 6: Final answer
    x = 16,935.90

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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.