Home / 28,197.96-38,914.77-16,102.02

Finding the Fourth Proportional to 28,197.96, 38,914.77 and 16,102.02

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Solution

The fourth proportional to 28,197.96, 38,914.77 and 16,102.02 is: 22,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.96 : 38,914.77 = 16,102.02 : x
  2. Step 2: Convert to fraction form
    28,197.96/38,914.77 = 16,102.02/x
  3. Step 3: Cross multiply
    28,197.96x = 38,914.77 × 16,102.02
  4. Step 4: Simplify right side
    28,197.96x = 626,606,404.84
  5. Step 5: Solve for x
    x = 626,606,404.84/28,197.96
  6. Step 6: Final answer
    x = 22,221.69

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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.