Home / 21,035.49-29,010.69-18,201.96

Finding the Fourth Proportional to 21,035.49, 29,010.69 and 18,201.96

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Solution

The fourth proportional to 21,035.49, 29,010.69 and 18,201.96 is: 25,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.49 : 29,010.69 = 18,201.96 : x
  2. Step 2: Convert to fraction form
    21,035.49/29,010.69 = 18,201.96/x
  3. Step 3: Cross multiply
    21,035.49x = 29,010.69 × 18,201.96
  4. Step 4: Simplify right side
    21,035.49x = 528,051,418.95
  5. Step 5: Solve for x
    x = 528,051,418.95/21,035.49
  6. Step 6: Final answer
    x = 25,102.88

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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.