Home / 20,759.09-28,647.27-11,327.04

Finding the Fourth Proportional to 20,759.09, 28,647.27 and 11,327.04

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Solution

The fourth proportional to 20,759.09, 28,647.27 and 11,327.04 is: 15,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759.09 : 28,647.27 = 11,327.04 : x
  2. Step 2: Convert to fraction form
    20,759.09/28,647.27 = 11,327.04/x
  3. Step 3: Cross multiply
    20,759.09x = 28,647.27 × 11,327.04
  4. Step 4: Simplify right side
    20,759.09x = 324,488,773.18
  5. Step 5: Solve for x
    x = 324,488,773.18/20,759.09
  6. Step 6: Final answer
    x = 15,631.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.