Home / 21,452.24-29,604-12,020.84

Finding the Fourth Proportional to 21,452.24, 29,604 and 12,020.84

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Solution

The fourth proportional to 21,452.24, 29,604 and 12,020.84 is: 16,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.24 : 29,604 = 12,020.84 : x
  2. Step 2: Convert to fraction form
    21,452.24/29,604 = 12,020.84/x
  3. Step 3: Cross multiply
    21,452.24x = 29,604 × 12,020.84
  4. Step 4: Simplify right side
    21,452.24x = 355,864,947.36
  5. Step 5: Solve for x
    x = 355,864,947.36/21,452.24
  6. Step 6: Final answer
    x = 16,588.71

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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.