Home / 20,065.56-30,087.38-15,932.12

Finding the Fourth Proportional to 20,065.56, 30,087.38 and 15,932.12

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Solution

The fourth proportional to 20,065.56, 30,087.38 and 15,932.12 is: 23,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.56 : 30,087.38 = 15,932.12 : x
  2. Step 2: Convert to fraction form
    20,065.56/30,087.38 = 15,932.12/x
  3. Step 3: Cross multiply
    20,065.56x = 30,087.38 × 15,932.12
  4. Step 4: Simplify right side
    20,065.56x = 479,355,748.65
  5. Step 5: Solve for x
    x = 479,355,748.65/20,065.56
  6. Step 6: Final answer
    x = 23,889.48

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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.