Home / 28,202.94-38,893.10-16,870.55

Finding the Fourth Proportional to 28,202.94, 38,893.10 and 16,870.55

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Solution

The fourth proportional to 28,202.94, 38,893.10 and 16,870.55 is: 23,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.94 : 38,893.10 = 16,870.55 : x
  2. Step 2: Convert to fraction form
    28,202.94/38,893.10 = 16,870.55/x
  3. Step 3: Cross multiply
    28,202.94x = 38,893.10 × 16,870.55
  4. Step 4: Simplify right side
    28,202.94x = 656,147,709.39
  5. Step 5: Solve for x
    x = 656,147,709.39/28,202.94
  6. Step 6: Final answer
    x = 23,265.22

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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.