Home / 38,042.64-52,512.96-28,638.48

Finding the Fourth Proportional to 38,042.64, 52,512.96 and 28,638.48

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Solution

The fourth proportional to 38,042.64, 52,512.96 and 28,638.48 is: 39,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042.64 : 52,512.96 = 28,638.48 : x
  2. Step 2: Convert to fraction form
    38,042.64/52,512.96 = 28,638.48/x
  3. Step 3: Cross multiply
    38,042.64x = 52,512.96 × 28,638.48
  4. Step 4: Simplify right side
    38,042.64x = 1,503,891,354.70
  5. Step 5: Solve for x
    x = 1,503,891,354.70/38,042.64
  6. Step 6: Final answer
    x = 39,531.73

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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.