Home / 26,900.60-40,356.30-8,181.80

Finding the Fourth Proportional to 26,900.60, 40,356.30 and 8,181.80

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Solution

The fourth proportional to 26,900.60, 40,356.30 and 8,181.80 is: 12,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,900.60 : 40,356.30 = 8,181.80 : x
  2. Step 2: Convert to fraction form
    26,900.60/40,356.30 = 8,181.80/x
  3. Step 3: Cross multiply
    26,900.60x = 40,356.30 × 8,181.80
  4. Step 4: Simplify right side
    26,900.60x = 330,187,175.34
  5. Step 5: Solve for x
    x = 330,187,175.34/26,900.60
  6. Step 6: Final answer
    x = 12,274.34

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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.