Home / 21,276.58-29,365.19-16,231.27

Finding the Fourth Proportional to 21,276.58, 29,365.19 and 16,231.27

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Solution

The fourth proportional to 21,276.58, 29,365.19 and 16,231.27 is: 22,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.58 : 29,365.19 = 16,231.27 : x
  2. Step 2: Convert to fraction form
    21,276.58/29,365.19 = 16,231.27/x
  3. Step 3: Cross multiply
    21,276.58x = 29,365.19 × 16,231.27
  4. Step 4: Simplify right side
    21,276.58x = 476,634,327.49
  5. Step 5: Solve for x
    x = 476,634,327.49/21,276.58
  6. Step 6: Final answer
    x = 22,401.83

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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.