Home / 28,163.74-38,865.19-16,063.95

Finding the Fourth Proportional to 28,163.74, 38,865.19 and 16,063.95

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Solution

The fourth proportional to 28,163.74, 38,865.19 and 16,063.95 is: 22,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163.74 : 38,865.19 = 16,063.95 : x
  2. Step 2: Convert to fraction form
    28,163.74/38,865.19 = 16,063.95/x
  3. Step 3: Cross multiply
    28,163.74x = 38,865.19 × 16,063.95
  4. Step 4: Simplify right side
    28,163.74x = 624,328,468.90
  5. Step 5: Solve for x
    x = 624,328,468.90/28,163.74
  6. Step 6: Final answer
    x = 22,167.81

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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.