Home / 26,857.23-40,286.27-8,137.45

Finding the Fourth Proportional to 26,857.23, 40,286.27 and 8,137.45

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Solution

The fourth proportional to 26,857.23, 40,286.27 and 8,137.45 is: 12,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.23 : 40,286.27 = 8,137.45 : x
  2. Step 2: Convert to fraction form
    26,857.23/40,286.27 = 8,137.45/x
  3. Step 3: Cross multiply
    26,857.23x = 40,286.27 × 8,137.45
  4. Step 4: Simplify right side
    26,857.23x = 327,827,507.81
  5. Step 5: Solve for x
    x = 327,827,507.81/26,857.23
  6. Step 6: Final answer
    x = 12,206.30

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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.