Home / 28,322.60-42,481.13-8,601.32

Finding the Fourth Proportional to 28,322.60, 42,481.13 and 8,601.32

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Solution

The fourth proportional to 28,322.60, 42,481.13 and 8,601.32 is: 12,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.60 : 42,481.13 = 8,601.32 : x
  2. Step 2: Convert to fraction form
    28,322.60/42,481.13 = 8,601.32/x
  3. Step 3: Cross multiply
    28,322.60x = 42,481.13 × 8,601.32
  4. Step 4: Simplify right side
    28,322.60x = 365,393,537.68
  5. Step 5: Solve for x
    x = 365,393,537.68/28,322.60
  6. Step 6: Final answer
    x = 12,901.13

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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.