Home / 28,200.91-38,922.53-16,101.33

Finding the Fourth Proportional to 28,200.91, 38,922.53 and 16,101.33

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Solution

The fourth proportional to 28,200.91, 38,922.53 and 16,101.33 is: 22,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200.91 : 38,922.53 = 16,101.33 : x
  2. Step 2: Convert to fraction form
    28,200.91/38,922.53 = 16,101.33/x
  3. Step 3: Cross multiply
    28,200.91x = 38,922.53 × 16,101.33
  4. Step 4: Simplify right side
    28,200.91x = 626,704,492.44
  5. Step 5: Solve for x
    x = 626,704,492.44/28,200.91
  6. Step 6: Final answer
    x = 22,222.85

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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.