Home / 26,429.86-39,627.11-13,936.69

Finding the Fourth Proportional to 26,429.86, 39,627.11 and 13,936.69

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Solution

The fourth proportional to 26,429.86, 39,627.11 and 13,936.69 is: 20,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.86 : 39,627.11 = 13,936.69 : x
  2. Step 2: Convert to fraction form
    26,429.86/39,627.11 = 13,936.69/x
  3. Step 3: Cross multiply
    26,429.86x = 39,627.11 × 13,936.69
  4. Step 4: Simplify right side
    26,429.86x = 552,270,753.65
  5. Step 5: Solve for x
    x = 552,270,753.65/26,429.86
  6. Step 6: Final answer
    x = 20,895.71

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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.