Home / 26,956.80-40,435.20-17,625.60

Finding the Fourth Proportional to 26,956.80, 40,435.20 and 17,625.60

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Solution

The fourth proportional to 26,956.80, 40,435.20 and 17,625.60 is: 26,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,956.80 : 40,435.20 = 17,625.60 : x
  2. Step 2: Convert to fraction form
    26,956.80/40,435.20 = 17,625.60/x
  3. Step 3: Cross multiply
    26,956.80x = 40,435.20 × 17,625.60
  4. Step 4: Simplify right side
    26,956.80x = 712,694,661.12
  5. Step 5: Solve for x
    x = 712,694,661.12/26,956.80
  6. Step 6: Final answer
    x = 26,438.40

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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.