Home / 26,846.91-40,270.77-8,127.81

Finding the Fourth Proportional to 26,846.91, 40,270.77 and 8,127.81

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Solution

The fourth proportional to 26,846.91, 40,270.77 and 8,127.81 is: 12,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,846.91 : 40,270.77 = 8,127.81 : x
  2. Step 2: Convert to fraction form
    26,846.91/40,270.77 = 8,127.81/x
  3. Step 3: Cross multiply
    26,846.91x = 40,270.77 × 8,127.81
  4. Step 4: Simplify right side
    26,846.91x = 327,313,167.11
  5. Step 5: Solve for x
    x = 327,313,167.11/26,846.91
  6. Step 6: Final answer
    x = 12,191.84

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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.