Home / 19,053.11-28,571.84-5,721.45

Finding the Fourth Proportional to 19,053.11, 28,571.84 and 5,721.45

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Solution

The fourth proportional to 19,053.11, 28,571.84 and 5,721.45 is: 8,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.11 : 28,571.84 = 5,721.45 : x
  2. Step 2: Convert to fraction form
    19,053.11/28,571.84 = 5,721.45/x
  3. Step 3: Cross multiply
    19,053.11x = 28,571.84 × 5,721.45
  4. Step 4: Simplify right side
    19,053.11x = 163,472,353.97
  5. Step 5: Solve for x
    x = 163,472,353.97/19,053.11
  6. Step 6: Final answer
    x = 8,579.83

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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.