Home / 20,496.13-30,744.21-15,822.97

Finding the Fourth Proportional to 20,496.13, 30,744.21 and 15,822.97

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Solution

The fourth proportional to 20,496.13, 30,744.21 and 15,822.97 is: 23,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.13 : 30,744.21 = 15,822.97 : x
  2. Step 2: Convert to fraction form
    20,496.13/30,744.21 = 15,822.97/x
  3. Step 3: Cross multiply
    20,496.13x = 30,744.21 × 15,822.97
  4. Step 4: Simplify right side
    20,496.13x = 486,464,479.67
  5. Step 5: Solve for x
    x = 486,464,479.67/20,496.13
  6. Step 6: Final answer
    x = 23,734.46

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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.