Home / 25,735.20-38,601.36-7,266.72

Finding the Fourth Proportional to 25,735.20, 38,601.36 and 7,266.72

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Solution

The fourth proportional to 25,735.20, 38,601.36 and 7,266.72 is: 10,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.20 : 38,601.36 = 7,266.72 : x
  2. Step 2: Convert to fraction form
    25,735.20/38,601.36 = 7,266.72/x
  3. Step 3: Cross multiply
    25,735.20x = 38,601.36 × 7,266.72
  4. Step 4: Simplify right side
    25,735.20x = 280,505,274.74
  5. Step 5: Solve for x
    x = 280,505,274.74/25,735.20
  6. Step 6: Final answer
    x = 10,899.67

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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.