Home / 28,873.60-43,314.96-12,233.68

Finding the Fourth Proportional to 28,873.60, 43,314.96 and 12,233.68

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Solution

The fourth proportional to 28,873.60, 43,314.96 and 12,233.68 is: 18,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.60 : 43,314.96 = 12,233.68 : x
  2. Step 2: Convert to fraction form
    28,873.60/43,314.96 = 12,233.68/x
  3. Step 3: Cross multiply
    28,873.60x = 43,314.96 × 12,233.68
  4. Step 4: Simplify right side
    28,873.60x = 529,901,359.85
  5. Step 5: Solve for x
    x = 529,901,359.85/28,873.60
  6. Step 6: Final answer
    x = 18,352.45

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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.