Home / 21,028.91-31,546.53-6,792.63

Finding the Fourth Proportional to 21,028.91, 31,546.53 and 6,792.63

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Solution

The fourth proportional to 21,028.91, 31,546.53 and 6,792.63 is: 10,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.91 : 31,546.53 = 6,792.63 : x
  2. Step 2: Convert to fraction form
    21,028.91/31,546.53 = 6,792.63/x
  3. Step 3: Cross multiply
    21,028.91x = 31,546.53 × 6,792.63
  4. Step 4: Simplify right side
    21,028.91x = 214,284,034.84
  5. Step 5: Solve for x
    x = 214,284,034.84/21,028.91
  6. Step 6: Final answer
    x = 10,189.97

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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.