Home / 26,464.86-39,697.38-8,935.20

Finding the Fourth Proportional to 26,464.86, 39,697.38 and 8,935.20

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Solution

The fourth proportional to 26,464.86, 39,697.38 and 8,935.20 is: 13,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464.86 : 39,697.38 = 8,935.20 : x
  2. Step 2: Convert to fraction form
    26,464.86/39,697.38 = 8,935.20/x
  3. Step 3: Cross multiply
    26,464.86x = 39,697.38 × 8,935.20
  4. Step 4: Simplify right side
    26,464.86x = 354,704,029.78
  5. Step 5: Solve for x
    x = 354,704,029.78/26,464.86
  6. Step 6: Final answer
    x = 13,402.83

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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.