Home / 21,335.45-32,022.82-10,812.83

Finding the Fourth Proportional to 21,335.45, 32,022.82 and 10,812.83

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Solution

The fourth proportional to 21,335.45, 32,022.82 and 10,812.83 is: 16,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.45 : 32,022.82 = 10,812.83 : x
  2. Step 2: Convert to fraction form
    21,335.45/32,022.82 = 10,812.83/x
  3. Step 3: Cross multiply
    21,335.45x = 32,022.82 × 10,812.83
  4. Step 4: Simplify right side
    21,335.45x = 346,257,162.18
  5. Step 5: Solve for x
    x = 346,257,162.18/21,335.45
  6. Step 6: Final answer
    x = 16,229.19

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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.