Home / 19,025.18-28,542.45-13,413.81

Finding the Fourth Proportional to 19,025.18, 28,542.45 and 13,413.81

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Solution

The fourth proportional to 19,025.18, 28,542.45 and 13,413.81 is: 20,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.18 : 28,542.45 = 13,413.81 : x
  2. Step 2: Convert to fraction form
    19,025.18/28,542.45 = 13,413.81/x
  3. Step 3: Cross multiply
    19,025.18x = 28,542.45 × 13,413.81
  4. Step 4: Simplify right side
    19,025.18x = 382,863,001.23
  5. Step 5: Solve for x
    x = 382,863,001.23/19,025.18
  6. Step 6: Final answer
    x = 20,124.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.