Home / 21,013.22-29,040.04-17,230.52

Finding the Fourth Proportional to 21,013.22, 29,040.04 and 17,230.52

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Solution

The fourth proportional to 21,013.22, 29,040.04 and 17,230.52 is: 23,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013.22 : 29,040.04 = 17,230.52 : x
  2. Step 2: Convert to fraction form
    21,013.22/29,040.04 = 17,230.52/x
  3. Step 3: Cross multiply
    21,013.22x = 29,040.04 × 17,230.52
  4. Step 4: Simplify right side
    21,013.22x = 500,374,990.02
  5. Step 5: Solve for x
    x = 500,374,990.02/21,013.22
  6. Step 6: Final answer
    x = 23,812.39

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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.