Home / 26,196.66-39,292.83-8,660.70

Finding the Fourth Proportional to 26,196.66, 39,292.83 and 8,660.70

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Solution

The fourth proportional to 26,196.66, 39,292.83 and 8,660.70 is: 12,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,196.66 : 39,292.83 = 8,660.70 : x
  2. Step 2: Convert to fraction form
    26,196.66/39,292.83 = 8,660.70/x
  3. Step 3: Cross multiply
    26,196.66x = 39,292.83 × 8,660.70
  4. Step 4: Simplify right side
    26,196.66x = 340,303,412.78
  5. Step 5: Solve for x
    x = 340,303,412.78/26,196.66
  6. Step 6: Final answer
    x = 12,990.34

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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.