Home / 28,358.71-39,126.20-16,092.10

Finding the Fourth Proportional to 28,358.71, 39,126.20 and 16,092.10

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Solution

The fourth proportional to 28,358.71, 39,126.20 and 16,092.10 is: 22,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,358.71 : 39,126.20 = 16,092.10 : x
  2. Step 2: Convert to fraction form
    28,358.71/39,126.20 = 16,092.10/x
  3. Step 3: Cross multiply
    28,358.71x = 39,126.20 × 16,092.10
  4. Step 4: Simplify right side
    28,358.71x = 629,622,723.02
  5. Step 5: Solve for x
    x = 629,622,723.02/28,358.71
  6. Step 6: Final answer
    x = 22,202.09

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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.