Home / 28,816.98-43,199.82-11,299.02

Finding the Fourth Proportional to 28,816.98, 43,199.82 and 11,299.02

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Solution

The fourth proportional to 28,816.98, 43,199.82 and 11,299.02 is: 16,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.98 : 43,199.82 = 11,299.02 : x
  2. Step 2: Convert to fraction form
    28,816.98/43,199.82 = 11,299.02/x
  3. Step 3: Cross multiply
    28,816.98x = 43,199.82 × 11,299.02
  4. Step 4: Simplify right side
    28,816.98x = 488,115,630.18
  5. Step 5: Solve for x
    x = 488,115,630.18/28,816.98
  6. Step 6: Final answer
    x = 16,938.47

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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.