Home / 28,855.14-43,288.32-11,084.50

Finding the Fourth Proportional to 28,855.14, 43,288.32 and 11,084.50

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Solution

The fourth proportional to 28,855.14, 43,288.32 and 11,084.50 is: 16,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.14 : 43,288.32 = 11,084.50 : x
  2. Step 2: Convert to fraction form
    28,855.14/43,288.32 = 11,084.50/x
  3. Step 3: Cross multiply
    28,855.14x = 43,288.32 × 11,084.50
  4. Step 4: Simplify right side
    28,855.14x = 479,829,383.04
  5. Step 5: Solve for x
    x = 479,829,383.04/28,855.14
  6. Step 6: Final answer
    x = 16,628.91

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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.