Home / 19,264.75-28,897.13-5,413.75

Finding the Fourth Proportional to 19,264.75, 28,897.13 and 5,413.75

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Solution

The fourth proportional to 19,264.75, 28,897.13 and 5,413.75 is: 8,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.75 : 28,897.13 = 5,413.75 : x
  2. Step 2: Convert to fraction form
    19,264.75/28,897.13 = 5,413.75/x
  3. Step 3: Cross multiply
    19,264.75x = 28,897.13 × 5,413.75
  4. Step 4: Simplify right side
    19,264.75x = 156,441,810.47
  5. Step 5: Solve for x
    x = 156,441,810.47/19,264.75
  6. Step 6: Final answer
    x = 8,120.63

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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.