Home / 19,327.20-28,998.90-14,439.27

Finding the Fourth Proportional to 19,327.20, 28,998.90 and 14,439.27

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Solution

The fourth proportional to 19,327.20, 28,998.90 and 14,439.27 is: 21,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.20 : 28,998.90 = 14,439.27 : x
  2. Step 2: Convert to fraction form
    19,327.20/28,998.90 = 14,439.27/x
  3. Step 3: Cross multiply
    19,327.20x = 28,998.90 × 14,439.27
  4. Step 4: Simplify right side
    19,327.20x = 418,722,946.80
  5. Step 5: Solve for x
    x = 418,722,946.80/19,327.20
  6. Step 6: Final answer
    x = 21,664.96

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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.