Home / 21,333.22-29,449.28-13,783.24

Finding the Fourth Proportional to 21,333.22, 29,449.28 and 13,783.24

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Solution

The fourth proportional to 21,333.22, 29,449.28 and 13,783.24 is: 19,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.22 : 29,449.28 = 13,783.24 : x
  2. Step 2: Convert to fraction form
    21,333.22/29,449.28 = 13,783.24/x
  3. Step 3: Cross multiply
    21,333.22x = 29,449.28 × 13,783.24
  4. Step 4: Simplify right side
    21,333.22x = 405,906,494.07
  5. Step 5: Solve for x
    x = 405,906,494.07/21,333.22
  6. Step 6: Final answer
    x = 19,026.97

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