Home / 28,110.39-38,794.04-16,173.47

Finding the Fourth Proportional to 28,110.39, 38,794.04 and 16,173.47

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Solution

The fourth proportional to 28,110.39, 38,794.04 and 16,173.47 is: 22,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.39 : 38,794.04 = 16,173.47 : x
  2. Step 2: Convert to fraction form
    28,110.39/38,794.04 = 16,173.47/x
  3. Step 3: Cross multiply
    28,110.39x = 38,794.04 × 16,173.47
  4. Step 4: Simplify right side
    28,110.39x = 627,434,318.89
  5. Step 5: Solve for x
    x = 627,434,318.89/28,110.39
  6. Step 6: Final answer
    x = 22,320.37

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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.