Home / 28,829.70-43,229.16-8,835.66

Finding the Fourth Proportional to 28,829.70, 43,229.16 and 8,835.66

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Solution

The fourth proportional to 28,829.70, 43,229.16 and 8,835.66 is: 13,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.70 : 43,229.16 = 8,835.66 : x
  2. Step 2: Convert to fraction form
    28,829.70/43,229.16 = 8,835.66/x
  3. Step 3: Cross multiply
    28,829.70x = 43,229.16 × 8,835.66
  4. Step 4: Simplify right side
    28,829.70x = 381,958,159.85
  5. Step 5: Solve for x
    x = 381,958,159.85/28,829.70
  6. Step 6: Final answer
    x = 13,248.77

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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.