Home / 18,829.64-28,237.66-5,677.96

Finding the Fourth Proportional to 18,829.64, 28,237.66 and 5,677.96

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Solution

The fourth proportional to 18,829.64, 28,237.66 and 5,677.96 is: 8,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.64 : 28,237.66 = 5,677.96 : x
  2. Step 2: Convert to fraction form
    18,829.64/28,237.66 = 5,677.96/x
  3. Step 3: Cross multiply
    18,829.64x = 28,237.66 × 5,677.96
  4. Step 4: Simplify right side
    18,829.64x = 160,332,303.97
  5. Step 5: Solve for x
    x = 160,332,303.97/18,829.64
  6. Step 6: Final answer
    x = 8,514.89

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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.