Home / 21,859.44-32,781.84-7,064.36

Finding the Fourth Proportional to 21,859.44, 32,781.84 and 7,064.36

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Solution

The fourth proportional to 21,859.44, 32,781.84 and 7,064.36 is: 10,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859.44 : 32,781.84 = 7,064.36 : x
  2. Step 2: Convert to fraction form
    21,859.44/32,781.84 = 7,064.36/x
  3. Step 3: Cross multiply
    21,859.44x = 32,781.84 × 7,064.36
  4. Step 4: Simplify right side
    21,859.44x = 231,582,719.22
  5. Step 5: Solve for x
    x = 231,582,719.22/21,859.44
  6. Step 6: Final answer
    x = 10,594.17

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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.