Home / 28,715.90-43,073.82-8,996.00

Finding the Fourth Proportional to 28,715.90, 43,073.82 and 8,996.00

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Solution

The fourth proportional to 28,715.90, 43,073.82 and 8,996.00 is: 13,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.90 : 43,073.82 = 8,996.00 : x
  2. Step 2: Convert to fraction form
    28,715.90/43,073.82 = 8,996.00/x
  3. Step 3: Cross multiply
    28,715.90x = 43,073.82 × 8,996.00
  4. Step 4: Simplify right side
    28,715.90x = 387,491,869.35
  5. Step 5: Solve for x
    x = 387,491,869.35/28,715.90
  6. Step 6: Final answer
    x = 13,493.98

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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.