Home / 28,736.18-43,088.00-11,185.82

Finding the Fourth Proportional to 28,736.18, 43,088.00 and 11,185.82

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Solution

The fourth proportional to 28,736.18, 43,088.00 and 11,185.82 is: 16,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.18 : 43,088.00 = 11,185.82 : x
  2. Step 2: Convert to fraction form
    28,736.18/43,088.00 = 11,185.82/x
  3. Step 3: Cross multiply
    28,736.18x = 43,088.00 × 11,185.82
  4. Step 4: Simplify right side
    28,736.18x = 481,974,424.68
  5. Step 5: Solve for x
    x = 481,974,424.68/28,736.18
  6. Step 6: Final answer
    x = 16,772.39

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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.