Home / 26,933.10-40,399.04-7,211.66

Finding the Fourth Proportional to 26,933.10, 40,399.04 and 7,211.66

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Solution

The fourth proportional to 26,933.10, 40,399.04 and 7,211.66 is: 10,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.10 : 40,399.04 = 7,211.66 : x
  2. Step 2: Convert to fraction form
    26,933.10/40,399.04 = 7,211.66/x
  3. Step 3: Cross multiply
    26,933.10x = 40,399.04 × 7,211.66
  4. Step 4: Simplify right side
    26,933.10x = 291,344,140.81
  5. Step 5: Solve for x
    x = 291,344,140.81/26,933.10
  6. Step 6: Final answer
    x = 10,817.33

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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.