Home / 19,032.73-28,548.43-4,992.64

Finding the Fourth Proportional to 19,032.73, 28,548.43 and 4,992.64

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Solution

The fourth proportional to 19,032.73, 28,548.43 and 4,992.64 is: 7,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.73 : 28,548.43 = 4,992.64 : x
  2. Step 2: Convert to fraction form
    19,032.73/28,548.43 = 4,992.64/x
  3. Step 3: Cross multiply
    19,032.73x = 28,548.43 × 4,992.64
  4. Step 4: Simplify right side
    19,032.73x = 142,532,138.37
  5. Step 5: Solve for x
    x = 142,532,138.37/19,032.73
  6. Step 6: Final answer
    x = 7,488.79

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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.