Home / 26,190.64-39,292.12-8,660.48

Finding the Fourth Proportional to 26,190.64, 39,292.12 and 8,660.48

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Solution

The fourth proportional to 26,190.64, 39,292.12 and 8,660.48 is: 12,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.64 : 39,292.12 = 8,660.48 : x
  2. Step 2: Convert to fraction form
    26,190.64/39,292.12 = 8,660.48/x
  3. Step 3: Cross multiply
    26,190.64x = 39,292.12 × 8,660.48
  4. Step 4: Simplify right side
    26,190.64x = 340,288,619.42
  5. Step 5: Solve for x
    x = 340,288,619.42/26,190.64
  6. Step 6: Final answer
    x = 12,992.76

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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.