Home / 19,239.52-28,860.98-5,388.56

Finding the Fourth Proportional to 19,239.52, 28,860.98 and 5,388.56

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Solution

The fourth proportional to 19,239.52, 28,860.98 and 5,388.56 is: 8,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.52 : 28,860.98 = 5,388.56 : x
  2. Step 2: Convert to fraction form
    19,239.52/28,860.98 = 5,388.56/x
  3. Step 3: Cross multiply
    19,239.52x = 28,860.98 × 5,388.56
  4. Step 4: Simplify right side
    19,239.52x = 155,519,122.39
  5. Step 5: Solve for x
    x = 155,519,122.39/19,239.52
  6. Step 6: Final answer
    x = 8,083.32

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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.