Home / 38,042.89-52,513.31-28,638.73

Finding the Fourth Proportional to 38,042.89, 52,513.31 and 28,638.73

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Solution

The fourth proportional to 38,042.89, 52,513.31 and 28,638.73 is: 39,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042.89 : 52,513.31 = 28,638.73 : x
  2. Step 2: Convert to fraction form
    38,042.89/52,513.31 = 28,638.73/x
  3. Step 3: Cross multiply
    38,042.89x = 52,513.31 × 28,638.73
  4. Step 4: Simplify right side
    38,042.89x = 1,503,914,363.30
  5. Step 5: Solve for x
    x = 1,503,914,363.30/38,042.89
  6. Step 6: Final answer
    x = 39,532.07

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1.5x scale

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.