Home / 28,111.35-38,793.60-16,011.83

Finding the Fourth Proportional to 28,111.35, 38,793.60 and 16,011.83

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Solution

The fourth proportional to 28,111.35, 38,793.60 and 16,011.83 is: 22,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.35 : 38,793.60 = 16,011.83 : x
  2. Step 2: Convert to fraction form
    28,111.35/38,793.60 = 16,011.83/x
  3. Step 3: Cross multiply
    28,111.35x = 38,793.60 × 16,011.83
  4. Step 4: Simplify right side
    28,111.35x = 621,156,625.27
  5. Step 5: Solve for x
    x = 621,156,625.27/28,111.35
  6. Step 6: Final answer
    x = 22,096.29

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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.