Home / 21,601.26-29,808.48-12,040.56

Finding the Fourth Proportional to 21,601.26, 29,808.48 and 12,040.56

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Solution

The fourth proportional to 21,601.26, 29,808.48 and 12,040.56 is: 16,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.26 : 29,808.48 = 12,040.56 : x
  2. Step 2: Convert to fraction form
    21,601.26/29,808.48 = 12,040.56/x
  3. Step 3: Cross multiply
    21,601.26x = 29,808.48 × 12,040.56
  4. Step 4: Simplify right side
    21,601.26x = 358,910,791.95
  5. Step 5: Solve for x
    x = 358,910,791.95/21,601.26
  6. Step 6: Final answer
    x = 16,615.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.