Home / 19,306.49-28,961.01-7,627.91

Finding the Fourth Proportional to 19,306.49, 28,961.01 and 7,627.91

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Solution

The fourth proportional to 19,306.49, 28,961.01 and 7,627.91 is: 11,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.49 : 28,961.01 = 7,627.91 : x
  2. Step 2: Convert to fraction form
    19,306.49/28,961.01 = 7,627.91/x
  3. Step 3: Cross multiply
    19,306.49x = 28,961.01 × 7,627.91
  4. Step 4: Simplify right side
    19,306.49x = 220,911,832.98
  5. Step 5: Solve for x
    x = 220,911,832.98/19,306.49
  6. Step 6: Final answer
    x = 11,442.36

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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.