Home / 30,218.27-41,698.60-16,789.28

Finding the Fourth Proportional to 30,218.27, 41,698.60 and 16,789.28

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Solution

The fourth proportional to 30,218.27, 41,698.60 and 16,789.28 is: 23,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.27 : 41,698.60 = 16,789.28 : x
  2. Step 2: Convert to fraction form
    30,218.27/41,698.60 = 16,789.28/x
  3. Step 3: Cross multiply
    30,218.27x = 41,698.60 × 16,789.28
  4. Step 4: Simplify right side
    30,218.27x = 700,089,220.54
  5. Step 5: Solve for x
    x = 700,089,220.54/30,218.27
  6. Step 6: Final answer
    x = 23,167.75

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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.