Home / 19,217-28,829.76-5,891.84

Finding the Fourth Proportional to 19,217, 28,829.76 and 5,891.84

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Solution

The fourth proportional to 19,217, 28,829.76 and 5,891.84 is: 8,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217 : 28,829.76 = 5,891.84 : x
  2. Step 2: Convert to fraction form
    19,217/28,829.76 = 5,891.84/x
  3. Step 3: Cross multiply
    19,217x = 28,829.76 × 5,891.84
  4. Step 4: Simplify right side
    19,217x = 169,860,333.16
  5. Step 5: Solve for x
    x = 169,860,333.16/19,217
  6. Step 6: Final answer
    x = 8,839.07

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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.