Home / 26,910.27-40,370.40-8,191.98

Finding the Fourth Proportional to 26,910.27, 40,370.40 and 8,191.98

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Solution

The fourth proportional to 26,910.27, 40,370.40 and 8,191.98 is: 12,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.27 : 40,370.40 = 8,191.98 : x
  2. Step 2: Convert to fraction form
    26,910.27/40,370.40 = 8,191.98/x
  3. Step 3: Cross multiply
    26,910.27x = 40,370.40 × 8,191.98
  4. Step 4: Simplify right side
    26,910.27x = 330,713,509.39
  5. Step 5: Solve for x
    x = 330,713,509.39/26,910.27
  6. Step 6: Final answer
    x = 12,289.49

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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.