Home / 26,923.86-40,392.30-8,455.86

Finding the Fourth Proportional to 26,923.86, 40,392.30 and 8,455.86

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Solution

The fourth proportional to 26,923.86, 40,392.30 and 8,455.86 is: 12,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.86 : 40,392.30 = 8,455.86 : x
  2. Step 2: Convert to fraction form
    26,923.86/40,392.30 = 8,455.86/x
  3. Step 3: Cross multiply
    26,923.86x = 40,392.30 × 8,455.86
  4. Step 4: Simplify right side
    26,923.86x = 341,551,633.88
  5. Step 5: Solve for x
    x = 341,551,633.88/26,923.86
  6. Step 6: Final answer
    x = 12,685.83

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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.