Home / 28,111.26-38,801.70-16,183.02

Finding the Fourth Proportional to 28,111.26, 38,801.70 and 16,183.02

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Solution

The fourth proportional to 28,111.26, 38,801.70 and 16,183.02 is: 22,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.26 : 38,801.70 = 16,183.02 : x
  2. Step 2: Convert to fraction form
    28,111.26/38,801.70 = 16,183.02/x
  3. Step 3: Cross multiply
    28,111.26x = 38,801.70 × 16,183.02
  4. Step 4: Simplify right side
    28,111.26x = 627,928,687.13
  5. Step 5: Solve for x
    x = 627,928,687.13/28,111.26
  6. Step 6: Final answer
    x = 22,337.27

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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.