Home / 28,706.33-43,066.38-13,897.95

Finding the Fourth Proportional to 28,706.33, 43,066.38 and 13,897.95

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Solution

The fourth proportional to 28,706.33, 43,066.38 and 13,897.95 is: 20,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.33 : 43,066.38 = 13,897.95 : x
  2. Step 2: Convert to fraction form
    28,706.33/43,066.38 = 13,897.95/x
  3. Step 3: Cross multiply
    28,706.33x = 43,066.38 × 13,897.95
  4. Step 4: Simplify right side
    28,706.33x = 598,534,286.54
  5. Step 5: Solve for x
    x = 598,534,286.54/28,706.33
  6. Step 6: Final answer
    x = 20,850.25

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1.5x scale

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.