Home / 21,619.92-29,847.24-14,941.44

Finding the Fourth Proportional to 21,619.92, 29,847.24 and 14,941.44

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Solution

The fourth proportional to 21,619.92, 29,847.24 and 14,941.44 is: 20,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.92 : 29,847.24 = 14,941.44 : x
  2. Step 2: Convert to fraction form
    21,619.92/29,847.24 = 14,941.44/x
  3. Step 3: Cross multiply
    21,619.92x = 29,847.24 × 14,941.44
  4. Step 4: Simplify right side
    21,619.92x = 445,960,745.63
  5. Step 5: Solve for x
    x = 445,960,745.63/21,619.92
  6. Step 6: Final answer
    x = 20,627.31

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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.