Home / 20,262.83-30,353.94-15,859.67

Finding the Fourth Proportional to 20,262.83, 30,353.94 and 15,859.67

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Solution

The fourth proportional to 20,262.83, 30,353.94 and 15,859.67 is: 23,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.83 : 30,353.94 = 15,859.67 : x
  2. Step 2: Convert to fraction form
    20,262.83/30,353.94 = 15,859.67/x
  3. Step 3: Cross multiply
    20,262.83x = 30,353.94 × 15,859.67
  4. Step 4: Simplify right side
    20,262.83x = 481,403,319.83
  5. Step 5: Solve for x
    x = 481,403,319.83/20,262.83
  6. Step 6: Final answer
    x = 23,757.96

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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.