Home / 19,092.26-28,638.28-7,405.38

Finding the Fourth Proportional to 19,092.26, 28,638.28 and 7,405.38

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Solution

The fourth proportional to 19,092.26, 28,638.28 and 7,405.38 is: 11,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.26 : 28,638.28 = 7,405.38 : x
  2. Step 2: Convert to fraction form
    19,092.26/28,638.28 = 7,405.38/x
  3. Step 3: Cross multiply
    19,092.26x = 28,638.28 × 7,405.38
  4. Step 4: Simplify right side
    19,092.26x = 212,077,345.95
  5. Step 5: Solve for x
    x = 212,077,345.95/19,092.26
  6. Step 6: Final answer
    x = 11,108.03

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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.