Home / 19,102-28,667.72-10,789.44

Finding the Fourth Proportional to 19,102, 28,667.72 and 10,789.44

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Solution

The fourth proportional to 19,102, 28,667.72 and 10,789.44 is: 16,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102 : 28,667.72 = 10,789.44 : x
  2. Step 2: Convert to fraction form
    19,102/28,667.72 = 10,789.44/x
  3. Step 3: Cross multiply
    19,102x = 28,667.72 × 10,789.44
  4. Step 4: Simplify right side
    19,102x = 309,308,644.88
  5. Step 5: Solve for x
    x = 309,308,644.88/19,102
  6. Step 6: Final answer
    x = 16,192.47

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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.