Home / 19,216.45-28,822.52-5,177.52

Finding the Fourth Proportional to 19,216.45, 28,822.52 and 5,177.52

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Solution

The fourth proportional to 19,216.45, 28,822.52 and 5,177.52 is: 7,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.45 : 28,822.52 = 5,177.52 : x
  2. Step 2: Convert to fraction form
    19,216.45/28,822.52 = 5,177.52/x
  3. Step 3: Cross multiply
    19,216.45x = 28,822.52 × 5,177.52
  4. Step 4: Simplify right side
    19,216.45x = 149,229,003.75
  5. Step 5: Solve for x
    x = 149,229,003.75/19,216.45
  6. Step 6: Final answer
    x = 7,765.69

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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.