Home / 27,140.67-40,711.53-17,839.98

Finding the Fourth Proportional to 27,140.67, 40,711.53 and 17,839.98

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Solution

The fourth proportional to 27,140.67, 40,711.53 and 17,839.98 is: 26,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.67 : 40,711.53 = 17,839.98 : x
  2. Step 2: Convert to fraction form
    27,140.67/40,711.53 = 17,839.98/x
  3. Step 3: Cross multiply
    27,140.67x = 40,711.53 × 17,839.98
  4. Step 4: Simplify right side
    27,140.67x = 726,292,880.97
  5. Step 5: Solve for x
    x = 726,292,880.97/27,140.67
  6. Step 6: Final answer
    x = 26,760.32

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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.