Home / 28,171.14-38,884.82-16,242.44

Finding the Fourth Proportional to 28,171.14, 38,884.82 and 16,242.44

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Solution

The fourth proportional to 28,171.14, 38,884.82 and 16,242.44 is: 22,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.14 : 38,884.82 = 16,242.44 : x
  2. Step 2: Convert to fraction form
    28,171.14/38,884.82 = 16,242.44/x
  3. Step 3: Cross multiply
    28,171.14x = 38,884.82 × 16,242.44
  4. Step 4: Simplify right side
    28,171.14x = 631,584,355.76
  5. Step 5: Solve for x
    x = 631,584,355.76/28,171.14
  6. Step 6: Final answer
    x = 22,419.55

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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.