Home / 26,933.80-40,400.70-7,211.85

Finding the Fourth Proportional to 26,933.80, 40,400.70 and 7,211.85

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Solution

The fourth proportional to 26,933.80, 40,400.70 and 7,211.85 is: 10,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.80 : 40,400.70 = 7,211.85 : x
  2. Step 2: Convert to fraction form
    26,933.80/40,400.70 = 7,211.85/x
  3. Step 3: Cross multiply
    26,933.80x = 40,400.70 × 7,211.85
  4. Step 4: Simplify right side
    26,933.80x = 291,363,788.30
  5. Step 5: Solve for x
    x = 291,363,788.30/26,933.80
  6. Step 6: Final answer
    x = 10,817.78

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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.