Home / 18,764.85-28,179.47-16,661.23

Finding the Fourth Proportional to 18,764.85, 28,179.47 and 16,661.23

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Solution

The fourth proportional to 18,764.85, 28,179.47 and 16,661.23 is: 25,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.85 : 28,179.47 = 16,661.23 : x
  2. Step 2: Convert to fraction form
    18,764.85/28,179.47 = 16,661.23/x
  3. Step 3: Cross multiply
    18,764.85x = 28,179.47 × 16,661.23
  4. Step 4: Simplify right side
    18,764.85x = 469,504,555.29
  5. Step 5: Solve for x
    x = 469,504,555.29/18,764.85
  6. Step 6: Final answer
    x = 25,020.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.