Home / 28,941.45-43,413.06-9,965.88

Finding the Fourth Proportional to 28,941.45, 43,413.06 and 9,965.88

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Solution

The fourth proportional to 28,941.45, 43,413.06 and 9,965.88 is: 14,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.45 : 43,413.06 = 9,965.88 : x
  2. Step 2: Convert to fraction form
    28,941.45/43,413.06 = 9,965.88/x
  3. Step 3: Cross multiply
    28,941.45x = 43,413.06 × 9,965.88
  4. Step 4: Simplify right side
    28,941.45x = 432,649,346.39
  5. Step 5: Solve for x
    x = 432,649,346.39/28,941.45
  6. Step 6: Final answer
    x = 14,949.12

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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.