Home / 21,860.72-32,771.60-8,006.48

Finding the Fourth Proportional to 21,860.72, 32,771.60 and 8,006.48

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Solution

The fourth proportional to 21,860.72, 32,771.60 and 8,006.48 is: 12,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.72 : 32,771.60 = 8,006.48 : x
  2. Step 2: Convert to fraction form
    21,860.72/32,771.60 = 8,006.48/x
  3. Step 3: Cross multiply
    21,860.72x = 32,771.60 × 8,006.48
  4. Step 4: Simplify right side
    21,860.72x = 262,385,159.97
  5. Step 5: Solve for x
    x = 262,385,159.97/21,860.72
  6. Step 6: Final answer
    x = 12,002.59

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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.