Home / 20,822.94-31,160.23-15,262.49

Finding the Fourth Proportional to 20,822.94, 31,160.23 and 15,262.49

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Solution

The fourth proportional to 20,822.94, 31,160.23 and 15,262.49 is: 22,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822.94 : 31,160.23 = 15,262.49 : x
  2. Step 2: Convert to fraction form
    20,822.94/31,160.23 = 15,262.49/x
  3. Step 3: Cross multiply
    20,822.94x = 31,160.23 × 15,262.49
  4. Step 4: Simplify right side
    20,822.94x = 475,582,738.52
  5. Step 5: Solve for x
    x = 475,582,738.52/20,822.94
  6. Step 6: Final answer
    x = 22,839.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.