Home / 26,790.60-40,185.69-8,070.57

Finding the Fourth Proportional to 26,790.60, 40,185.69 and 8,070.57

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Solution

The fourth proportional to 26,790.60, 40,185.69 and 8,070.57 is: 12,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.60 : 40,185.69 = 8,070.57 : x
  2. Step 2: Convert to fraction form
    26,790.60/40,185.69 = 8,070.57/x
  3. Step 3: Cross multiply
    26,790.60x = 40,185.69 × 8,070.57
  4. Step 4: Simplify right side
    26,790.60x = 324,321,424.14
  5. Step 5: Solve for x
    x = 324,321,424.14/26,790.60
  6. Step 6: Final answer
    x = 12,105.79

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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.