Home / 21,575.62-32,319.69-11,165.50

Finding the Fourth Proportional to 21,575.62, 32,319.69 and 11,165.50

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Solution

The fourth proportional to 21,575.62, 32,319.69 and 11,165.50 is: 16,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.62 : 32,319.69 = 11,165.50 : x
  2. Step 2: Convert to fraction form
    21,575.62/32,319.69 = 11,165.50/x
  3. Step 3: Cross multiply
    21,575.62x = 32,319.69 × 11,165.50
  4. Step 4: Simplify right side
    21,575.62x = 360,865,498.70
  5. Step 5: Solve for x
    x = 360,865,498.70/21,575.62
  6. Step 6: Final answer
    x = 16,725.61

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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.