Home / 26,369.94-39,561.38-12,131.76

Finding the Fourth Proportional to 26,369.94, 39,561.38 and 12,131.76

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Solution

The fourth proportional to 26,369.94, 39,561.38 and 12,131.76 is: 18,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,369.94 : 39,561.38 = 12,131.76 : x
  2. Step 2: Convert to fraction form
    26,369.94/39,561.38 = 12,131.76/x
  3. Step 3: Cross multiply
    26,369.94x = 39,561.38 × 12,131.76
  4. Step 4: Simplify right side
    26,369.94x = 479,949,167.43
  5. Step 5: Solve for x
    x = 479,949,167.43/26,369.94
  6. Step 6: Final answer
    x = 18,200.62

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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.