Home / 21,377.34-32,048.72-8,906.75

Finding the Fourth Proportional to 21,377.34, 32,048.72 and 8,906.75

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Solution

The fourth proportional to 21,377.34, 32,048.72 and 8,906.75 is: 13,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.34 : 32,048.72 = 8,906.75 : x
  2. Step 2: Convert to fraction form
    21,377.34/32,048.72 = 8,906.75/x
  3. Step 3: Cross multiply
    21,377.34x = 32,048.72 × 8,906.75
  4. Step 4: Simplify right side
    21,377.34x = 285,449,732.08
  5. Step 5: Solve for x
    x = 285,449,732.08/21,377.34
  6. Step 6: Final answer
    x = 13,352.91

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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.