Home / 28,293.26-39,044.54-15,372.43

Finding the Fourth Proportional to 28,293.26, 39,044.54 and 15,372.43

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Solution

The fourth proportional to 28,293.26, 39,044.54 and 15,372.43 is: 21,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.26 : 39,044.54 = 15,372.43 : x
  2. Step 2: Convert to fraction form
    28,293.26/39,044.54 = 15,372.43/x
  3. Step 3: Cross multiply
    28,293.26x = 39,044.54 × 15,372.43
  4. Step 4: Simplify right side
    28,293.26x = 600,209,458.03
  5. Step 5: Solve for x
    x = 600,209,458.03/28,293.26
  6. Step 6: Final answer
    x = 21,213.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.