Home / 26,997.18-40,468.05-12,936.66

Finding the Fourth Proportional to 26,997.18, 40,468.05 and 12,936.66

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Solution

The fourth proportional to 26,997.18, 40,468.05 and 12,936.66 is: 19,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,997.18 : 40,468.05 = 12,936.66 : x
  2. Step 2: Convert to fraction form
    26,997.18/40,468.05 = 12,936.66/x
  3. Step 3: Cross multiply
    26,997.18x = 40,468.05 × 12,936.66
  4. Step 4: Simplify right side
    26,997.18x = 523,521,403.71
  5. Step 5: Solve for x
    x = 523,521,403.71/26,997.18
  6. Step 6: Final answer
    x = 19,391.71

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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.