Home / 20,550.60-28,317.99-14,179.14

Finding the Fourth Proportional to 20,550.60, 28,317.99 and 14,179.14

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Solution

The fourth proportional to 20,550.60, 28,317.99 and 14,179.14 is: 19,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.60 : 28,317.99 = 14,179.14 : x
  2. Step 2: Convert to fraction form
    20,550.60/28,317.99 = 14,179.14/x
  3. Step 3: Cross multiply
    20,550.60x = 28,317.99 × 14,179.14
  4. Step 4: Simplify right side
    20,550.60x = 401,524,744.73
  5. Step 5: Solve for x
    x = 401,524,744.73/20,550.60
  6. Step 6: Final answer
    x = 19,538.35

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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.