Home / 21,727.44-29,985.36-12,167.52

Finding the Fourth Proportional to 21,727.44, 29,985.36 and 12,167.52

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Solution

The fourth proportional to 21,727.44, 29,985.36 and 12,167.52 is: 16,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.44 : 29,985.36 = 12,167.52 : x
  2. Step 2: Convert to fraction form
    21,727.44/29,985.36 = 12,167.52/x
  3. Step 3: Cross multiply
    21,727.44x = 29,985.36 × 12,167.52
  4. Step 4: Simplify right side
    21,727.44x = 364,847,467.51
  5. Step 5: Solve for x
    x = 364,847,467.51/21,727.44
  6. Step 6: Final answer
    x = 16,792.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.