Home / 26,326.01-39,480.82-13,171.21

Finding the Fourth Proportional to 26,326.01, 39,480.82 and 13,171.21

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Solution

The fourth proportional to 26,326.01, 39,480.82 and 13,171.21 is: 19,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.01 : 39,480.82 = 13,171.21 : x
  2. Step 2: Convert to fraction form
    26,326.01/39,480.82 = 13,171.21/x
  3. Step 3: Cross multiply
    26,326.01x = 39,480.82 × 13,171.21
  4. Step 4: Simplify right side
    26,326.01x = 520,010,039.56
  5. Step 5: Solve for x
    x = 520,010,039.56/26,326.01
  6. Step 6: Final answer
    x = 19,752.71

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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.