Home / 21,796.64-32,690.09-10,108.34

Finding the Fourth Proportional to 21,796.64, 32,690.09 and 10,108.34

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Solution

The fourth proportional to 21,796.64, 32,690.09 and 10,108.34 is: 15,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796.64 : 32,690.09 = 10,108.34 : x
  2. Step 2: Convert to fraction form
    21,796.64/32,690.09 = 10,108.34/x
  3. Step 3: Cross multiply
    21,796.64x = 32,690.09 × 10,108.34
  4. Step 4: Simplify right side
    21,796.64x = 330,442,544.35
  5. Step 5: Solve for x
    x = 330,442,544.35/21,796.64
  6. Step 6: Final answer
    x = 15,160.25

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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.