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Finding the Fourth Proportional to 19,134.82, 28,703.88 and 5,283.82

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Solution

The fourth proportional to 19,134.82, 28,703.88 and 5,283.82 is: 7,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.82 : 28,703.88 = 5,283.82 : x
  2. Step 2: Convert to fraction form
    19,134.82/28,703.88 = 5,283.82/x
  3. Step 3: Cross multiply
    19,134.82x = 28,703.88 × 5,283.82
  4. Step 4: Simplify right side
    19,134.82x = 151,666,135.22
  5. Step 5: Solve for x
    x = 151,666,135.22/19,134.82
  6. Step 6: Final answer
    x = 7,926.19

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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.