Home / 28,734.23-39,654-17,401.31

Finding the Fourth Proportional to 28,734.23, 39,654 and 17,401.31

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Solution

The fourth proportional to 28,734.23, 39,654 and 17,401.31 is: 24,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.23 : 39,654 = 17,401.31 : x
  2. Step 2: Convert to fraction form
    28,734.23/39,654 = 17,401.31/x
  3. Step 3: Cross multiply
    28,734.23x = 39,654 × 17,401.31
  4. Step 4: Simplify right side
    28,734.23x = 690,031,645.88
  5. Step 5: Solve for x
    x = 690,031,645.88/28,734.23
  6. Step 6: Final answer
    x = 24,014.28

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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.