Home / 20,323.56-30,439.62-15,846.24

Finding the Fourth Proportional to 20,323.56, 30,439.62 and 15,846.24

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Solution

The fourth proportional to 20,323.56, 30,439.62 and 15,846.24 is: 23,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.56 : 30,439.62 = 15,846.24 : x
  2. Step 2: Convert to fraction form
    20,323.56/30,439.62 = 15,846.24/x
  3. Step 3: Cross multiply
    20,323.56x = 30,439.62 × 15,846.24
  4. Step 4: Simplify right side
    20,323.56x = 482,353,524.03
  5. Step 5: Solve for x
    x = 482,353,524.03/20,323.56
  6. Step 6: Final answer
    x = 23,733.71

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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.