Home / 20,233.04-27,943.37-15,401.44

Finding the Fourth Proportional to 20,233.04, 27,943.37 and 15,401.44

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Solution

The fourth proportional to 20,233.04, 27,943.37 and 15,401.44 is: 21,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.04 : 27,943.37 = 15,401.44 : x
  2. Step 2: Convert to fraction form
    20,233.04/27,943.37 = 15,401.44/x
  3. Step 3: Cross multiply
    20,233.04x = 27,943.37 × 15,401.44
  4. Step 4: Simplify right side
    20,233.04x = 430,367,996.74
  5. Step 5: Solve for x
    x = 430,367,996.74/20,233.04
  6. Step 6: Final answer
    x = 21,270.56

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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.