Home / 21,723.32-32,563.10-8,570.60

Finding the Fourth Proportional to 21,723.32, 32,563.10 and 8,570.60

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Solution

The fourth proportional to 21,723.32, 32,563.10 and 8,570.60 is: 12,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.32 : 32,563.10 = 8,570.60 : x
  2. Step 2: Convert to fraction form
    21,723.32/32,563.10 = 8,570.60/x
  3. Step 3: Cross multiply
    21,723.32x = 32,563.10 × 8,570.60
  4. Step 4: Simplify right side
    21,723.32x = 279,085,304.86
  5. Step 5: Solve for x
    x = 279,085,304.86/21,723.32
  6. Step 6: Final answer
    x = 12,847.27

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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.