Home / 19,217.35-28,829.05-5,177.92

Finding the Fourth Proportional to 19,217.35, 28,829.05 and 5,177.92

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Solution

The fourth proportional to 19,217.35, 28,829.05 and 5,177.92 is: 7,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.35 : 28,829.05 = 5,177.92 : x
  2. Step 2: Convert to fraction form
    19,217.35/28,829.05 = 5,177.92/x
  3. Step 3: Cross multiply
    19,217.35x = 28,829.05 × 5,177.92
  4. Step 4: Simplify right side
    19,217.35x = 149,274,488.69
  5. Step 5: Solve for x
    x = 149,274,488.69/19,217.35
  6. Step 6: Final answer
    x = 7,767.70

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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.