Home / 21,973.77-32,967.50-6,391.44

Finding the Fourth Proportional to 21,973.77, 32,967.50 and 6,391.44

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Solution

The fourth proportional to 21,973.77, 32,967.50 and 6,391.44 is: 9,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.77 : 32,967.50 = 6,391.44 : x
  2. Step 2: Convert to fraction form
    21,973.77/32,967.50 = 6,391.44/x
  3. Step 3: Cross multiply
    21,973.77x = 32,967.50 × 6,391.44
  4. Step 4: Simplify right side
    21,973.77x = 210,709,766.24
  5. Step 5: Solve for x
    x = 210,709,766.24/21,973.77
  6. Step 6: Final answer
    x = 9,589.15

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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.