Home / 26,769.57-40,121.03-17,256.80

Finding the Fourth Proportional to 26,769.57, 40,121.03 and 17,256.80

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Solution

The fourth proportional to 26,769.57, 40,121.03 and 17,256.80 is: 25,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.57 : 40,121.03 = 17,256.80 : x
  2. Step 2: Convert to fraction form
    26,769.57/40,121.03 = 17,256.80/x
  3. Step 3: Cross multiply
    26,769.57x = 40,121.03 × 17,256.80
  4. Step 4: Simplify right side
    26,769.57x = 692,360,604.88
  5. Step 5: Solve for x
    x = 692,360,604.88/26,769.57
  6. Step 6: Final answer
    x = 25,863.72

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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.