Home / 15,621.01-23,431.20-3,933.91

Finding the Fourth Proportional to 15,621.01, 23,431.20 and 3,933.91

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Solution

The fourth proportional to 15,621.01, 23,431.20 and 3,933.91 is: 5,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.01 : 23,431.20 = 3,933.91 : x
  2. Step 2: Convert to fraction form
    15,621.01/23,431.20 = 3,933.91/x
  3. Step 3: Cross multiply
    15,621.01x = 23,431.20 × 3,933.91
  4. Step 4: Simplify right side
    15,621.01x = 92,176,231.99
  5. Step 5: Solve for x
    x = 92,176,231.99/15,621.01
  6. Step 6: Final answer
    x = 5,900.79

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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.