Home / 43,940.97-65,897.80-15,857.38

Finding the Fourth Proportional to 43,940.97, 65,897.80 and 15,857.38

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Solution

The fourth proportional to 43,940.97, 65,897.80 and 15,857.38 is: 23,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.97 : 65,897.80 = 15,857.38 : x
  2. Step 2: Convert to fraction form
    43,940.97/65,897.80 = 15,857.38/x
  3. Step 3: Cross multiply
    43,940.97x = 65,897.80 × 15,857.38
  4. Step 4: Simplify right side
    43,940.97x = 1,044,966,455.76
  5. Step 5: Solve for x
    x = 1,044,966,455.76/43,940.97
  6. Step 6: Final answer
    x = 23,781.14

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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.