Home / 21,282.33-31,943.16-10,759.74

Finding the Fourth Proportional to 21,282.33, 31,943.16 and 10,759.74

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Solution

The fourth proportional to 21,282.33, 31,943.16 and 10,759.74 is: 16,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.33 : 31,943.16 = 10,759.74 : x
  2. Step 2: Convert to fraction form
    21,282.33/31,943.16 = 10,759.74/x
  3. Step 3: Cross multiply
    21,282.33x = 31,943.16 × 10,759.74
  4. Step 4: Simplify right side
    21,282.33x = 343,700,096.38
  5. Step 5: Solve for x
    x = 343,700,096.38/21,282.33
  6. Step 6: Final answer
    x = 16,149.55

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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.