Home / 21,402.82-32,088.84-8,073.73

Finding the Fourth Proportional to 21,402.82, 32,088.84 and 8,073.73

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Solution

The fourth proportional to 21,402.82, 32,088.84 and 8,073.73 is: 12,104.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.82 : 32,088.84 = 8,073.73 : x
  2. Step 2: Convert to fraction form
    21,402.82/32,088.84 = 8,073.73/x
  3. Step 3: Cross multiply
    21,402.82x = 32,088.84 × 8,073.73
  4. Step 4: Simplify right side
    21,402.82x = 259,076,630.17
  5. Step 5: Solve for x
    x = 259,076,630.17/21,402.82
  6. Step 6: Final answer
    x = 12,104.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.