Home / 27,405.42-37,793.81-18,190.67

Finding the Fourth Proportional to 27,405.42, 37,793.81 and 18,190.67

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Solution

The fourth proportional to 27,405.42, 37,793.81 and 18,190.67 is: 25,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.42 : 37,793.81 = 18,190.67 : x
  2. Step 2: Convert to fraction form
    27,405.42/37,793.81 = 18,190.67/x
  3. Step 3: Cross multiply
    27,405.42x = 37,793.81 × 18,190.67
  4. Step 4: Simplify right side
    27,405.42x = 687,494,824.40
  5. Step 5: Solve for x
    x = 687,494,824.40/27,405.42
  6. Step 6: Final answer
    x = 25,086.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.