Home / 26,286.89-39,436.25-13,812.77

Finding the Fourth Proportional to 26,286.89, 39,436.25 and 13,812.77

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Solution

The fourth proportional to 26,286.89, 39,436.25 and 13,812.77 is: 20,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,286.89 : 39,436.25 = 13,812.77 : x
  2. Step 2: Convert to fraction form
    26,286.89/39,436.25 = 13,812.77/x
  3. Step 3: Cross multiply
    26,286.89x = 39,436.25 × 13,812.77
  4. Step 4: Simplify right side
    26,286.89x = 544,723,880.44
  5. Step 5: Solve for x
    x = 544,723,880.44/26,286.89
  6. Step 6: Final answer
    x = 20,722.27

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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.