Home / 26,900.10-40,355.55-8,181.30

Finding the Fourth Proportional to 26,900.10, 40,355.55 and 8,181.30

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Solution

The fourth proportional to 26,900.10, 40,355.55 and 8,181.30 is: 12,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.10 : 40,355.55 = 8,181.30 : x
  2. Step 2: Convert to fraction form
    26,900.10/40,355.55 = 8,181.30/x
  3. Step 3: Cross multiply
    26,900.10x = 40,355.55 × 8,181.30
  4. Step 4: Simplify right side
    26,900.10x = 330,160,861.22
  5. Step 5: Solve for x
    x = 330,160,861.22/26,900.10
  6. Step 6: Final answer
    x = 12,273.59

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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.