Home / 21,282.73-31,943.78-10,760.17

Finding the Fourth Proportional to 21,282.73, 31,943.78 and 10,760.17

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Solution

The fourth proportional to 21,282.73, 31,943.78 and 10,760.17 is: 16,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.73 : 31,943.78 = 10,760.17 : x
  2. Step 2: Convert to fraction form
    21,282.73/31,943.78 = 10,760.17/x
  3. Step 3: Cross multiply
    21,282.73x = 31,943.78 × 10,760.17
  4. Step 4: Simplify right side
    21,282.73x = 343,720,450.28
  5. Step 5: Solve for x
    x = 343,720,450.28/21,282.73
  6. Step 6: Final answer
    x = 16,150.21

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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.