Home / 21,422.92-32,134.04-5,840.54

Finding the Fourth Proportional to 21,422.92, 32,134.04 and 5,840.54

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Solution

The fourth proportional to 21,422.92, 32,134.04 and 5,840.54 is: 8,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422.92 : 32,134.04 = 5,840.54 : x
  2. Step 2: Convert to fraction form
    21,422.92/32,134.04 = 5,840.54/x
  3. Step 3: Cross multiply
    21,422.92x = 32,134.04 × 5,840.54
  4. Step 4: Simplify right side
    21,422.92x = 187,680,257.37
  5. Step 5: Solve for x
    x = 187,680,257.37/21,422.92
  6. Step 6: Final answer
    x = 8,760.72

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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.