Home / 21,376.33-32,059.90-8,226.25

Finding the Fourth Proportional to 21,376.33, 32,059.90 and 8,226.25

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Solution

The fourth proportional to 21,376.33, 32,059.90 and 8,226.25 is: 12,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.33 : 32,059.90 = 8,226.25 : x
  2. Step 2: Convert to fraction form
    21,376.33/32,059.90 = 8,226.25/x
  3. Step 3: Cross multiply
    21,376.33x = 32,059.90 × 8,226.25
  4. Step 4: Simplify right side
    21,376.33x = 263,732,752.38
  5. Step 5: Solve for x
    x = 263,732,752.38/21,376.33
  6. Step 6: Final answer
    x = 12,337.61

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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.