Home / 15,517.29-23,276.15-3,830.50

Finding the Fourth Proportional to 15,517.29, 23,276.15 and 3,830.50

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Solution

The fourth proportional to 15,517.29, 23,276.15 and 3,830.50 is: 5,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.29 : 23,276.15 = 3,830.50 : x
  2. Step 2: Convert to fraction form
    15,517.29/23,276.15 = 3,830.50/x
  3. Step 3: Cross multiply
    15,517.29x = 23,276.15 × 3,830.50
  4. Step 4: Simplify right side
    15,517.29x = 89,159,292.58
  5. Step 5: Solve for x
    x = 89,159,292.58/15,517.29
  6. Step 6: Final answer
    x = 5,745.80

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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.