Home / 26,286.92-36,271.44-15,672.68

Finding the Fourth Proportional to 26,286.92, 36,271.44 and 15,672.68

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Solution

The fourth proportional to 26,286.92, 36,271.44 and 15,672.68 is: 21,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.92 : 36,271.44 = 15,672.68 : x
  2. Step 2: Convert to fraction form
    26,286.92/36,271.44 = 15,672.68/x
  3. Step 3: Cross multiply
    26,286.92x = 36,271.44 × 15,672.68
  4. Step 4: Simplify right side
    26,286.92x = 568,470,672.26
  5. Step 5: Solve for x
    x = 568,470,672.26/26,286.92
  6. Step 6: Final answer
    x = 21,625.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.