Home / 28,107.92-38,792.52-16,167.44

Finding the Fourth Proportional to 28,107.92, 38,792.52 and 16,167.44

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Solution

The fourth proportional to 28,107.92, 38,792.52 and 16,167.44 is: 22,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.92 : 38,792.52 = 16,167.44 : x
  2. Step 2: Convert to fraction form
    28,107.92/38,792.52 = 16,167.44/x
  3. Step 3: Cross multiply
    28,107.92x = 38,792.52 × 16,167.44
  4. Step 4: Simplify right side
    28,107.92x = 627,175,739.55
  5. Step 5: Solve for x
    x = 627,175,739.55/28,107.92
  6. Step 6: Final answer
    x = 22,313.13

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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.