Home / 26,889.96-40,334.94-12,081.60

Finding the Fourth Proportional to 26,889.96, 40,334.94 and 12,081.60

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Solution

The fourth proportional to 26,889.96, 40,334.94 and 12,081.60 is: 18,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.96 : 40,334.94 = 12,081.60 : x
  2. Step 2: Convert to fraction form
    26,889.96/40,334.94 = 12,081.60/x
  3. Step 3: Cross multiply
    26,889.96x = 40,334.94 × 12,081.60
  4. Step 4: Simplify right side
    26,889.96x = 487,310,611.10
  5. Step 5: Solve for x
    x = 487,310,611.10/26,889.96
  6. Step 6: Final answer
    x = 18,122.40

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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.