Home / 26,790.80-40,192.92-8,070.44

Finding the Fourth Proportional to 26,790.80, 40,192.92 and 8,070.44

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Solution

The fourth proportional to 26,790.80, 40,192.92 and 8,070.44 is: 12,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.80 : 40,192.92 = 8,070.44 : x
  2. Step 2: Convert to fraction form
    26,790.80/40,192.92 = 8,070.44/x
  3. Step 3: Cross multiply
    26,790.80x = 40,192.92 × 8,070.44
  4. Step 4: Simplify right side
    26,790.80x = 324,374,549.28
  5. Step 5: Solve for x
    x = 324,374,549.28/26,790.80
  6. Step 6: Final answer
    x = 12,107.68

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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.