Home / 21,410.43-32,124.82-8,271.96

Finding the Fourth Proportional to 21,410.43, 32,124.82 and 8,271.96

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Solution

The fourth proportional to 21,410.43, 32,124.82 and 8,271.96 is: 12,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.43 : 32,124.82 = 8,271.96 : x
  2. Step 2: Convert to fraction form
    21,410.43/32,124.82 = 8,271.96/x
  3. Step 3: Cross multiply
    21,410.43x = 32,124.82 × 8,271.96
  4. Step 4: Simplify right side
    21,410.43x = 265,735,226.05
  5. Step 5: Solve for x
    x = 265,735,226.05/21,410.43
  6. Step 6: Final answer
    x = 12,411.48

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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.