Home / 21,350.20-32,006.10-13,958.20

Finding the Fourth Proportional to 21,350.20, 32,006.10 and 13,958.20

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Solution

The fourth proportional to 21,350.20, 32,006.10 and 13,958.20 is: 20,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.20 : 32,006.10 = 13,958.20 : x
  2. Step 2: Convert to fraction form
    21,350.20/32,006.10 = 13,958.20/x
  3. Step 3: Cross multiply
    21,350.20x = 32,006.10 × 13,958.20
  4. Step 4: Simplify right side
    21,350.20x = 446,747,545.02
  5. Step 5: Solve for x
    x = 446,747,545.02/21,350.20
  6. Step 6: Final answer
    x = 20,924.75

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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.