Home / 18,275.76-27,413.66-14,121.82

Finding the Fourth Proportional to 18,275.76, 27,413.66 and 14,121.82

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Solution

The fourth proportional to 18,275.76, 27,413.66 and 14,121.82 is: 21,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.76 : 27,413.66 = 14,121.82 : x
  2. Step 2: Convert to fraction form
    18,275.76/27,413.66 = 14,121.82/x
  3. Step 3: Cross multiply
    18,275.76x = 27,413.66 × 14,121.82
  4. Step 4: Simplify right side
    18,275.76x = 387,130,772.06
  5. Step 5: Solve for x
    x = 387,130,772.06/18,275.76
  6. Step 6: Final answer
    x = 21,182.75

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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.