Home / 28,161.45-38,863.67-16,227.18

Finding the Fourth Proportional to 28,161.45, 38,863.67 and 16,227.18

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Solution

The fourth proportional to 28,161.45, 38,863.67 and 16,227.18 is: 22,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.45 : 38,863.67 = 16,227.18 : x
  2. Step 2: Convert to fraction form
    28,161.45/38,863.67 = 16,227.18/x
  3. Step 3: Cross multiply
    28,161.45x = 38,863.67 × 16,227.18
  4. Step 4: Simplify right side
    28,161.45x = 630,647,687.41
  5. Step 5: Solve for x
    x = 630,647,687.41/28,161.45
  6. Step 6: Final answer
    x = 22,394.01

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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.