Home / 19,388.43-29,086.05-10,025.90

Finding the Fourth Proportional to 19,388.43, 29,086.05 and 10,025.90

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Solution

The fourth proportional to 19,388.43, 29,086.05 and 10,025.90 is: 15,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.43 : 29,086.05 = 10,025.90 : x
  2. Step 2: Convert to fraction form
    19,388.43/29,086.05 = 10,025.90/x
  3. Step 3: Cross multiply
    19,388.43x = 29,086.05 × 10,025.90
  4. Step 4: Simplify right side
    19,388.43x = 291,613,829.93
  5. Step 5: Solve for x
    x = 291,613,829.93/19,388.43
  6. Step 6: Final answer
    x = 15,040.61

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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.