Home / 19,205.33-28,805.83-7,515.41

Finding the Fourth Proportional to 19,205.33, 28,805.83 and 7,515.41

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Solution

The fourth proportional to 19,205.33, 28,805.83 and 7,515.41 is: 11,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.33 : 28,805.83 = 7,515.41 : x
  2. Step 2: Convert to fraction form
    19,205.33/28,805.83 = 7,515.41/x
  3. Step 3: Cross multiply
    19,205.33x = 28,805.83 × 7,515.41
  4. Step 4: Simplify right side
    19,205.33x = 216,487,460.02
  5. Step 5: Solve for x
    x = 216,487,460.02/19,205.33
  6. Step 6: Final answer
    x = 11,272.26

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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.