Home / 26,890.98-40,333.22-7,171.12

Finding the Fourth Proportional to 26,890.98, 40,333.22 and 7,171.12

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Solution

The fourth proportional to 26,890.98, 40,333.22 and 7,171.12 is: 10,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.98 : 40,333.22 = 7,171.12 : x
  2. Step 2: Convert to fraction form
    26,890.98/40,333.22 = 7,171.12/x
  3. Step 3: Cross multiply
    26,890.98x = 40,333.22 × 7,171.12
  4. Step 4: Simplify right side
    26,890.98x = 289,234,360.61
  5. Step 5: Solve for x
    x = 289,234,360.61/26,890.98
  6. Step 6: Final answer
    x = 10,755.81

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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.