Home / 15,415.68-23,121.09-5,025

Finding the Fourth Proportional to 15,415.68, 23,121.09 and 5,025

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Solution

The fourth proportional to 15,415.68, 23,121.09 and 5,025 is: 7,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.68 : 23,121.09 = 5,025 : x
  2. Step 2: Convert to fraction form
    15,415.68/23,121.09 = 5,025/x
  3. Step 3: Cross multiply
    15,415.68x = 23,121.09 × 5,025
  4. Step 4: Simplify right side
    15,415.68x = 116,183,477.25
  5. Step 5: Solve for x
    x = 116,183,477.25/15,415.68
  6. Step 6: Final answer
    x = 7,536.71

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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.