Home / 26,179.86-39,269.90-9,539.90

Finding the Fourth Proportional to 26,179.86, 39,269.90 and 9,539.90

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Solution

The fourth proportional to 26,179.86, 39,269.90 and 9,539.90 is: 14,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.86 : 39,269.90 = 9,539.90 : x
  2. Step 2: Convert to fraction form
    26,179.86/39,269.90 = 9,539.90/x
  3. Step 3: Cross multiply
    26,179.86x = 39,269.90 × 9,539.90
  4. Step 4: Simplify right side
    26,179.86x = 374,630,919.01
  5. Step 5: Solve for x
    x = 374,630,919.01/26,179.86
  6. Step 6: Final answer
    x = 14,309.89

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1.5x scale

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.