Home / 28,706.22-43,063.79-14,658.64

Finding the Fourth Proportional to 28,706.22, 43,063.79 and 14,658.64

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Solution

The fourth proportional to 28,706.22, 43,063.79 and 14,658.64 is: 21,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.22 : 43,063.79 = 14,658.64 : x
  2. Step 2: Convert to fraction form
    28,706.22/43,063.79 = 14,658.64/x
  3. Step 3: Cross multiply
    28,706.22x = 43,063.79 × 14,658.64
  4. Step 4: Simplify right side
    28,706.22x = 631,256,413.69
  5. Step 5: Solve for x
    x = 631,256,413.69/28,706.22
  6. Step 6: Final answer
    x = 21,990.23

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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.