Home / 21,527.57-32,272.22-8,376.86

Finding the Fourth Proportional to 21,527.57, 32,272.22 and 8,376.86

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Solution

The fourth proportional to 21,527.57, 32,272.22 and 8,376.86 is: 12,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.57 : 32,272.22 = 8,376.86 : x
  2. Step 2: Convert to fraction form
    21,527.57/32,272.22 = 8,376.86/x
  3. Step 3: Cross multiply
    21,527.57x = 32,272.22 × 8,376.86
  4. Step 4: Simplify right side
    21,527.57x = 270,339,826.94
  5. Step 5: Solve for x
    x = 270,339,826.94/21,527.57
  6. Step 6: Final answer
    x = 12,557.85

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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.