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Finding the Fourth Proportional to 19,550.56, 29,277.22 and 13,679.68

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Solution

The fourth proportional to 19,550.56, 29,277.22 and 13,679.68 is: 20,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.56 : 29,277.22 = 13,679.68 : x
  2. Step 2: Convert to fraction form
    19,550.56/29,277.22 = 13,679.68/x
  3. Step 3: Cross multiply
    19,550.56x = 29,277.22 × 13,679.68
  4. Step 4: Simplify right side
    19,550.56x = 400,503,000.89
  5. Step 5: Solve for x
    x = 400,503,000.89/19,550.56
  6. Step 6: Final answer
    x = 20,485.50

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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.