Home / 28,132.96-38,811.76-16,193.44

Finding the Fourth Proportional to 28,132.96, 38,811.76 and 16,193.44

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Solution

The fourth proportional to 28,132.96, 38,811.76 and 16,193.44 is: 22,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.96 : 38,811.76 = 16,193.44 : x
  2. Step 2: Convert to fraction form
    28,132.96/38,811.76 = 16,193.44/x
  3. Step 3: Cross multiply
    28,132.96x = 38,811.76 × 16,193.44
  4. Step 4: Simplify right side
    28,132.96x = 628,495,906.85
  5. Step 5: Solve for x
    x = 628,495,906.85/28,132.96
  6. Step 6: Final answer
    x = 22,340.20

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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.