Home / 21,998.20-32,954.10-14,999.80

Finding the Fourth Proportional to 21,998.20, 32,954.10 and 14,999.80

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Solution

The fourth proportional to 21,998.20, 32,954.10 and 14,999.80 is: 22,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.20 : 32,954.10 = 14,999.80 : x
  2. Step 2: Convert to fraction form
    21,998.20/32,954.10 = 14,999.80/x
  3. Step 3: Cross multiply
    21,998.20x = 32,954.10 × 14,999.80
  4. Step 4: Simplify right side
    21,998.20x = 494,304,909.18
  5. Step 5: Solve for x
    x = 494,304,909.18/21,998.20
  6. Step 6: Final answer
    x = 22,470.24

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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.