Home / 25,670.82-38,466.54-20,035.13

Finding the Fourth Proportional to 25,670.82, 38,466.54 and 20,035.13

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Solution

The fourth proportional to 25,670.82, 38,466.54 and 20,035.13 is: 30,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.82 : 38,466.54 = 20,035.13 : x
  2. Step 2: Convert to fraction form
    25,670.82/38,466.54 = 20,035.13/x
  3. Step 3: Cross multiply
    25,670.82x = 38,466.54 × 20,035.13
  4. Step 4: Simplify right side
    25,670.82x = 770,682,129.55
  5. Step 5: Solve for x
    x = 770,682,129.55/25,670.82
  6. Step 6: Final answer
    x = 30,021.72

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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.