Home / 28,069.13-38,737.85-16,136.62

Finding the Fourth Proportional to 28,069.13, 38,737.85 and 16,136.62

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Solution

The fourth proportional to 28,069.13, 38,737.85 and 16,136.62 is: 22,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.13 : 38,737.85 = 16,136.62 : x
  2. Step 2: Convert to fraction form
    28,069.13/38,737.85 = 16,136.62/x
  3. Step 3: Cross multiply
    28,069.13x = 38,737.85 × 16,136.62
  4. Step 4: Simplify right side
    28,069.13x = 625,097,787.54
  5. Step 5: Solve for x
    x = 625,097,787.54/28,069.13
  6. Step 6: Final answer
    x = 22,269.94

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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.