Home / 21,619.02-32,433.48-6,827.88

Finding the Fourth Proportional to 21,619.02, 32,433.48 and 6,827.88

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Solution

The fourth proportional to 21,619.02, 32,433.48 and 6,827.88 is: 10,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.02 : 32,433.48 = 6,827.88 : x
  2. Step 2: Convert to fraction form
    21,619.02/32,433.48 = 6,827.88/x
  3. Step 3: Cross multiply
    21,619.02x = 32,433.48 × 6,827.88
  4. Step 4: Simplify right side
    21,619.02x = 221,451,909.42
  5. Step 5: Solve for x
    x = 221,451,909.42/21,619.02
  6. Step 6: Final answer
    x = 10,243.38

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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.