Home / 28,847.73-39,809.42-16,100.25

Finding the Fourth Proportional to 28,847.73, 39,809.42 and 16,100.25

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Solution

The fourth proportional to 28,847.73, 39,809.42 and 16,100.25 is: 22,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.73 : 39,809.42 = 16,100.25 : x
  2. Step 2: Convert to fraction form
    28,847.73/39,809.42 = 16,100.25/x
  3. Step 3: Cross multiply
    28,847.73x = 39,809.42 × 16,100.25
  4. Step 4: Simplify right side
    28,847.73x = 640,941,533.85
  5. Step 5: Solve for x
    x = 640,941,533.85/28,847.73
  6. Step 6: Final answer
    x = 22,218.09

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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.