Home / 21,818.20-32,727.30-14,906.20

Finding the Fourth Proportional to 21,818.20, 32,727.30 and 14,906.20

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Solution

The fourth proportional to 21,818.20, 32,727.30 and 14,906.20 is: 22,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.20 : 32,727.30 = 14,906.20 : x
  2. Step 2: Convert to fraction form
    21,818.20/32,727.30 = 14,906.20/x
  3. Step 3: Cross multiply
    21,818.20x = 32,727.30 × 14,906.20
  4. Step 4: Simplify right side
    21,818.20x = 487,839,679.26
  5. Step 5: Solve for x
    x = 487,839,679.26/21,818.20
  6. Step 6: Final answer
    x = 22,359.30

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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.