Home / 26,436.93-39,621.20-20,173.83

Finding the Fourth Proportional to 26,436.93, 39,621.20 and 20,173.83

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Solution

The fourth proportional to 26,436.93, 39,621.20 and 20,173.83 is: 30,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.93 : 39,621.20 = 20,173.83 : x
  2. Step 2: Convert to fraction form
    26,436.93/39,621.20 = 20,173.83/x
  3. Step 3: Cross multiply
    26,436.93x = 39,621.20 × 20,173.83
  4. Step 4: Simplify right side
    26,436.93x = 799,311,252.33
  5. Step 5: Solve for x
    x = 799,311,252.33/26,436.93
  6. Step 6: Final answer
    x = 30,234.65

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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.