Home / 25,527.21-38,223.30-19,991.67

Finding the Fourth Proportional to 25,527.21, 38,223.30 and 19,991.67

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Solution

The fourth proportional to 25,527.21, 38,223.30 and 19,991.67 is: 29,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,527.21 : 38,223.30 = 19,991.67 : x
  2. Step 2: Convert to fraction form
    25,527.21/38,223.30 = 19,991.67/x
  3. Step 3: Cross multiply
    25,527.21x = 38,223.30 × 19,991.67
  4. Step 4: Simplify right side
    25,527.21x = 764,147,599.91
  5. Step 5: Solve for x
    x = 764,147,599.91/25,527.21
  6. Step 6: Final answer
    x = 29,934.63

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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.