Home / 21,621.02-32,436.48-6,829.88

Finding the Fourth Proportional to 21,621.02, 32,436.48 and 6,829.88

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Solution

The fourth proportional to 21,621.02, 32,436.48 and 6,829.88 is: 10,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.02 : 32,436.48 = 6,829.88 : x
  2. Step 2: Convert to fraction form
    21,621.02/32,436.48 = 6,829.88/x
  3. Step 3: Cross multiply
    21,621.02x = 32,436.48 × 6,829.88
  4. Step 4: Simplify right side
    21,621.02x = 221,537,266.02
  5. Step 5: Solve for x
    x = 221,537,266.02/21,621.02
  6. Step 6: Final answer
    x = 10,246.38

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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.