Home / 26,722.80-40,181.40-26,139.60

Finding the Fourth Proportional to 26,722.80, 40,181.40 and 26,139.60

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Solution

The fourth proportional to 26,722.80, 40,181.40 and 26,139.60 is: 39,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.80 : 40,181.40 = 26,139.60 : x
  2. Step 2: Convert to fraction form
    26,722.80/40,181.40 = 26,139.60/x
  3. Step 3: Cross multiply
    26,722.80x = 40,181.40 × 26,139.60
  4. Step 4: Simplify right side
    26,722.80x = 1,050,325,723.44
  5. Step 5: Solve for x
    x = 1,050,325,723.44/26,722.80
  6. Step 6: Final answer
    x = 39,304.48

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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.