Home / 21,297.02-31,932.97-8,803.04

Finding the Fourth Proportional to 21,297.02, 31,932.97 and 8,803.04

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Solution

The fourth proportional to 21,297.02, 31,932.97 and 8,803.04 is: 13,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297.02 : 31,932.97 = 8,803.04 : x
  2. Step 2: Convert to fraction form
    21,297.02/31,932.97 = 8,803.04/x
  3. Step 3: Cross multiply
    21,297.02x = 31,932.97 × 8,803.04
  4. Step 4: Simplify right side
    21,297.02x = 281,107,030.56
  5. Step 5: Solve for x
    x = 281,107,030.56/21,297.02
  6. Step 6: Final answer
    x = 13,199.36

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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.