Home / 18,986.25-28,454.34-16,509.27

Finding the Fourth Proportional to 18,986.25, 28,454.34 and 16,509.27

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Solution

The fourth proportional to 18,986.25, 28,454.34 and 16,509.27 is: 24,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.25 : 28,454.34 = 16,509.27 : x
  2. Step 2: Convert to fraction form
    18,986.25/28,454.34 = 16,509.27/x
  3. Step 3: Cross multiply
    18,986.25x = 28,454.34 × 16,509.27
  4. Step 4: Simplify right side
    18,986.25x = 469,760,381.73
  5. Step 5: Solve for x
    x = 469,760,381.73/18,986.25
  6. Step 6: Final answer
    x = 24,742.14

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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.