Home / 21,200.40-29,244.24-17,858.88

Finding the Fourth Proportional to 21,200.40, 29,244.24 and 17,858.88

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Solution

The fourth proportional to 21,200.40, 29,244.24 and 17,858.88 is: 24,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.40 : 29,244.24 = 17,858.88 : x
  2. Step 2: Convert to fraction form
    21,200.40/29,244.24 = 17,858.88/x
  3. Step 3: Cross multiply
    21,200.40x = 29,244.24 × 17,858.88
  4. Step 4: Simplify right side
    21,200.40x = 522,269,372.85
  5. Step 5: Solve for x
    x = 522,269,372.85/21,200.40
  6. Step 6: Final answer
    x = 24,634.88

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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.