Home / 26,771.92-40,157.88-11,191.76

Finding the Fourth Proportional to 26,771.92, 40,157.88 and 11,191.76

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Solution

The fourth proportional to 26,771.92, 40,157.88 and 11,191.76 is: 16,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.92 : 40,157.88 = 11,191.76 : x
  2. Step 2: Convert to fraction form
    26,771.92/40,157.88 = 11,191.76/x
  3. Step 3: Cross multiply
    26,771.92x = 40,157.88 × 11,191.76
  4. Step 4: Simplify right side
    26,771.92x = 449,437,355.07
  5. Step 5: Solve for x
    x = 449,437,355.07/26,771.92
  6. Step 6: Final answer
    x = 16,787.64

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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.