Home / 38,128.36-57,161.82-16,255.72

Finding the Fourth Proportional to 38,128.36, 57,161.82 and 16,255.72

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Solution

The fourth proportional to 38,128.36, 57,161.82 and 16,255.72 is: 24,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.36 : 57,161.82 = 16,255.72 : x
  2. Step 2: Convert to fraction form
    38,128.36/57,161.82 = 16,255.72/x
  3. Step 3: Cross multiply
    38,128.36x = 57,161.82 × 16,255.72
  4. Step 4: Simplify right side
    38,128.36x = 929,206,540.61
  5. Step 5: Solve for x
    x = 929,206,540.61/38,128.36
  6. Step 6: Final answer
    x = 24,370.48

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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.