Home / 21,659.44-29,863.18-17,897.80

Finding the Fourth Proportional to 21,659.44, 29,863.18 and 17,897.80

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Solution

The fourth proportional to 21,659.44, 29,863.18 and 17,897.80 is: 24,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.44 : 29,863.18 = 17,897.80 : x
  2. Step 2: Convert to fraction form
    21,659.44/29,863.18 = 17,897.80/x
  3. Step 3: Cross multiply
    21,659.44x = 29,863.18 × 17,897.80
  4. Step 4: Simplify right side
    21,659.44x = 534,485,223.00
  5. Step 5: Solve for x
    x = 534,485,223.00/21,659.44
  6. Step 6: Final answer
    x = 24,676.78

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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.