Home / 21,521.68-32,276.24-8,370.92

Finding the Fourth Proportional to 21,521.68, 32,276.24 and 8,370.92

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Solution

The fourth proportional to 21,521.68, 32,276.24 and 8,370.92 is: 12,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.68 : 32,276.24 = 8,370.92 : x
  2. Step 2: Convert to fraction form
    21,521.68/32,276.24 = 8,370.92/x
  3. Step 3: Cross multiply
    21,521.68x = 32,276.24 × 8,370.92
  4. Step 4: Simplify right side
    21,521.68x = 270,181,893.17
  5. Step 5: Solve for x
    x = 270,181,893.17/21,521.68
  6. Step 6: Final answer
    x = 12,553.94

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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.