Home / 20,069.60-27,667.19-14,082.71

Finding the Fourth Proportional to 20,069.60, 27,667.19 and 14,082.71

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Solution

The fourth proportional to 20,069.60, 27,667.19 and 14,082.71 is: 19,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.60 : 27,667.19 = 14,082.71 : x
  2. Step 2: Convert to fraction form
    20,069.60/27,667.19 = 14,082.71/x
  3. Step 3: Cross multiply
    20,069.60x = 27,667.19 × 14,082.71
  4. Step 4: Simplify right side
    20,069.60x = 389,628,910.16
  5. Step 5: Solve for x
    x = 389,628,910.16/20,069.60
  6. Step 6: Final answer
    x = 19,413.89

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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.