Home / 21,028.40-31,537.24-6,233.86

Finding the Fourth Proportional to 21,028.40, 31,537.24 and 6,233.86

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Solution

The fourth proportional to 21,028.40, 31,537.24 and 6,233.86 is: 9,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028.40 : 31,537.24 = 6,233.86 : x
  2. Step 2: Convert to fraction form
    21,028.40/31,537.24 = 6,233.86/x
  3. Step 3: Cross multiply
    21,028.40x = 31,537.24 × 6,233.86
  4. Step 4: Simplify right side
    21,028.40x = 196,598,738.95
  5. Step 5: Solve for x
    x = 196,598,738.95/21,028.40
  6. Step 6: Final answer
    x = 9,349.20

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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.