Home / 26,808.80-40,213.20-11,237.60

Finding the Fourth Proportional to 26,808.80, 40,213.20 and 11,237.60

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Solution

The fourth proportional to 26,808.80, 40,213.20 and 11,237.60 is: 16,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.80 : 40,213.20 = 11,237.60 : x
  2. Step 2: Convert to fraction form
    26,808.80/40,213.20 = 11,237.60/x
  3. Step 3: Cross multiply
    26,808.80x = 40,213.20 × 11,237.60
  4. Step 4: Simplify right side
    26,808.80x = 451,899,856.32
  5. Step 5: Solve for x
    x = 451,899,856.32/26,808.80
  6. Step 6: Final answer
    x = 16,856.40

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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.