Home / 21,369.08-32,058.30-8,227.64

Finding the Fourth Proportional to 21,369.08, 32,058.30 and 8,227.64

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Solution

The fourth proportional to 21,369.08, 32,058.30 and 8,227.64 is: 12,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.08 : 32,058.30 = 8,227.64 : x
  2. Step 2: Convert to fraction form
    21,369.08/32,058.30 = 8,227.64/x
  3. Step 3: Cross multiply
    21,369.08x = 32,058.30 × 8,227.64
  4. Step 4: Simplify right side
    21,369.08x = 263,764,151.41
  5. Step 5: Solve for x
    x = 263,764,151.41/21,369.08
  6. Step 6: Final answer
    x = 12,343.26

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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.