Home / 26,176.98-36,137.61-20,195.22

Finding the Fourth Proportional to 26,176.98, 36,137.61 and 20,195.22

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Solution

The fourth proportional to 26,176.98, 36,137.61 and 20,195.22 is: 27,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,176.98 : 36,137.61 = 20,195.22 : x
  2. Step 2: Convert to fraction form
    26,176.98/36,137.61 = 20,195.22/x
  3. Step 3: Cross multiply
    26,176.98x = 36,137.61 × 20,195.22
  4. Step 4: Simplify right side
    26,176.98x = 729,806,984.22
  5. Step 5: Solve for x
    x = 729,806,984.22/26,176.98
  6. Step 6: Final answer
    x = 27,879.72

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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.