Home / 26,520.08-39,755.52-8,977.64

Finding the Fourth Proportional to 26,520.08, 39,755.52 and 8,977.64

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Solution

The fourth proportional to 26,520.08, 39,755.52 and 8,977.64 is: 13,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.08 : 39,755.52 = 8,977.64 : x
  2. Step 2: Convert to fraction form
    26,520.08/39,755.52 = 8,977.64/x
  3. Step 3: Cross multiply
    26,520.08x = 39,755.52 × 8,977.64
  4. Step 4: Simplify right side
    26,520.08x = 356,910,845.96
  5. Step 5: Solve for x
    x = 356,910,845.96/26,520.08
  6. Step 6: Final answer
    x = 13,458.13

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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.