Home / 21,040.96-29,010.72-17,047.36

Finding the Fourth Proportional to 21,040.96, 29,010.72 and 17,047.36

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Solution

The fourth proportional to 21,040.96, 29,010.72 and 17,047.36 is: 23,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.96 : 29,010.72 = 17,047.36 : x
  2. Step 2: Convert to fraction form
    21,040.96/29,010.72 = 17,047.36/x
  3. Step 3: Cross multiply
    21,040.96x = 29,010.72 × 17,047.36
  4. Step 4: Simplify right side
    21,040.96x = 494,556,187.70
  5. Step 5: Solve for x
    x = 494,556,187.70/21,040.96
  6. Step 6: Final answer
    x = 23,504.45

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1.5x scale

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.