Home / 21,620.04-29,835.99-12,059.66

Finding the Fourth Proportional to 21,620.04, 29,835.99 and 12,059.66

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Solution

The fourth proportional to 21,620.04, 29,835.99 and 12,059.66 is: 16,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.04 : 29,835.99 = 12,059.66 : x
  2. Step 2: Convert to fraction form
    21,620.04/29,835.99 = 12,059.66/x
  3. Step 3: Cross multiply
    21,620.04x = 29,835.99 × 12,059.66
  4. Step 4: Simplify right side
    21,620.04x = 359,811,745.98
  5. Step 5: Solve for x
    x = 359,811,745.98/21,620.04
  6. Step 6: Final answer
    x = 16,642.51

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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.