Home / 38,441.80-57,648.30-26,720.20

Finding the Fourth Proportional to 38,441.80, 57,648.30 and 26,720.20

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Solution

The fourth proportional to 38,441.80, 57,648.30 and 26,720.20 is: 40,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.80 : 57,648.30 = 26,720.20 : x
  2. Step 2: Convert to fraction form
    38,441.80/57,648.30 = 26,720.20/x
  3. Step 3: Cross multiply
    38,441.80x = 57,648.30 × 26,720.20
  4. Step 4: Simplify right side
    38,441.80x = 1,540,374,105.66
  5. Step 5: Solve for x
    x = 1,540,374,105.66/38,441.80
  6. Step 6: Final answer
    x = 40,070.29

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1.5x scale

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.