Home / 28,829.86-43,250.19-9,113.38

Finding the Fourth Proportional to 28,829.86, 43,250.19 and 9,113.38

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Solution

The fourth proportional to 28,829.86, 43,250.19 and 9,113.38 is: 13,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.86 : 43,250.19 = 9,113.38 : x
  2. Step 2: Convert to fraction form
    28,829.86/43,250.19 = 9,113.38/x
  3. Step 3: Cross multiply
    28,829.86x = 43,250.19 × 9,113.38
  4. Step 4: Simplify right side
    28,829.86x = 394,155,416.54
  5. Step 5: Solve for x
    x = 394,155,416.54/28,829.86
  6. Step 6: Final answer
    x = 13,671.78

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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.