Home / 19,293.55-28,938.37-13,093.41

Finding the Fourth Proportional to 19,293.55, 28,938.37 and 13,093.41

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Solution

The fourth proportional to 19,293.55, 28,938.37 and 13,093.41 is: 19,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.55 : 28,938.37 = 13,093.41 : x
  2. Step 2: Convert to fraction form
    19,293.55/28,938.37 = 13,093.41/x
  3. Step 3: Cross multiply
    19,293.55x = 28,938.37 × 13,093.41
  4. Step 4: Simplify right side
    19,293.55x = 378,901,765.72
  5. Step 5: Solve for x
    x = 378,901,765.72/19,293.55
  6. Step 6: Final answer
    x = 19,638.78

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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.