Home / 28,855.84-43,306.44-14,815.30

Finding the Fourth Proportional to 28,855.84, 43,306.44 and 14,815.30

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Solution

The fourth proportional to 28,855.84, 43,306.44 and 14,815.30 is: 22,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.84 : 43,306.44 = 14,815.30 : x
  2. Step 2: Convert to fraction form
    28,855.84/43,306.44 = 14,815.30/x
  3. Step 3: Cross multiply
    28,855.84x = 43,306.44 × 14,815.30
  4. Step 4: Simplify right side
    28,855.84x = 641,597,900.53
  5. Step 5: Solve for x
    x = 641,597,900.53/28,855.84
  6. Step 6: Final answer
    x = 22,234.59

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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.