Home / 28,744.45-43,105.92-10,019.68

Finding the Fourth Proportional to 28,744.45, 43,105.92 and 10,019.68

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Solution

The fourth proportional to 28,744.45, 43,105.92 and 10,019.68 is: 15,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.45 : 43,105.92 = 10,019.68 : x
  2. Step 2: Convert to fraction form
    28,744.45/43,105.92 = 10,019.68/x
  3. Step 3: Cross multiply
    28,744.45x = 43,105.92 × 10,019.68
  4. Step 4: Simplify right side
    28,744.45x = 431,907,524.51
  5. Step 5: Solve for x
    x = 431,907,524.51/28,744.45
  6. Step 6: Final answer
    x = 15,025.77

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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.