Home / 26,778.42-40,129.16-15,066.90

Finding the Fourth Proportional to 26,778.42, 40,129.16 and 15,066.90

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Solution

The fourth proportional to 26,778.42, 40,129.16 and 15,066.90 is: 22,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.42 : 40,129.16 = 15,066.90 : x
  2. Step 2: Convert to fraction form
    26,778.42/40,129.16 = 15,066.90/x
  3. Step 3: Cross multiply
    26,778.42x = 40,129.16 × 15,066.90
  4. Step 4: Simplify right side
    26,778.42x = 604,622,040.80
  5. Step 5: Solve for x
    x = 604,622,040.80/26,778.42
  6. Step 6: Final answer
    x = 22,578.70

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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.