Home / 19,093.49-28,661.17-15,169.96

Finding the Fourth Proportional to 19,093.49, 28,661.17 and 15,169.96

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Solution

The fourth proportional to 19,093.49, 28,661.17 and 15,169.96 is: 22,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.49 : 28,661.17 = 15,169.96 : x
  2. Step 2: Convert to fraction form
    19,093.49/28,661.17 = 15,169.96/x
  3. Step 3: Cross multiply
    19,093.49x = 28,661.17 × 15,169.96
  4. Step 4: Simplify right side
    19,093.49x = 434,788,659.15
  5. Step 5: Solve for x
    x = 434,788,659.15/19,093.49
  6. Step 6: Final answer
    x = 22,771.57

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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.