Home / 28,194.96-38,910.63-16,099.02

Finding the Fourth Proportional to 28,194.96, 38,910.63 and 16,099.02

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Solution

The fourth proportional to 28,194.96, 38,910.63 and 16,099.02 is: 22,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.96 : 38,910.63 = 16,099.02 : x
  2. Step 2: Convert to fraction form
    28,194.96/38,910.63 = 16,099.02/x
  3. Step 3: Cross multiply
    28,194.96x = 38,910.63 × 16,099.02
  4. Step 4: Simplify right side
    28,194.96x = 626,423,010.58
  5. Step 5: Solve for x
    x = 626,423,010.58/28,194.96
  6. Step 6: Final answer
    x = 22,217.55

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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.