Home / 28,829.10-43,241.34-12,823.61

Finding the Fourth Proportional to 28,829.10, 43,241.34 and 12,823.61

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Solution

The fourth proportional to 28,829.10, 43,241.34 and 12,823.61 is: 19,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.10 : 43,241.34 = 12,823.61 : x
  2. Step 2: Convert to fraction form
    28,829.10/43,241.34 = 12,823.61/x
  3. Step 3: Cross multiply
    28,829.10x = 43,241.34 × 12,823.61
  4. Step 4: Simplify right side
    28,829.10x = 554,509,863.83
  5. Step 5: Solve for x
    x = 554,509,863.83/28,829.10
  6. Step 6: Final answer
    x = 19,234.38

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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.