Home / 28,069.08-38,737.25-16,131.70

Finding the Fourth Proportional to 28,069.08, 38,737.25 and 16,131.70

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Solution

The fourth proportional to 28,069.08, 38,737.25 and 16,131.70 is: 22,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.08 : 38,737.25 = 16,131.70 : x
  2. Step 2: Convert to fraction form
    28,069.08/38,737.25 = 16,131.70/x
  3. Step 3: Cross multiply
    28,069.08x = 38,737.25 × 16,131.70
  4. Step 4: Simplify right side
    28,069.08x = 624,897,695.83
  5. Step 5: Solve for x
    x = 624,897,695.83/28,069.08
  6. Step 6: Final answer
    x = 22,262.85

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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.