Home / 25,136.10-37,688.67-8,494.56

Finding the Fourth Proportional to 25,136.10, 37,688.67 and 8,494.56

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Solution

The fourth proportional to 25,136.10, 37,688.67 and 8,494.56 is: 12,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.10 : 37,688.67 = 8,494.56 : x
  2. Step 2: Convert to fraction form
    25,136.10/37,688.67 = 8,494.56/x
  3. Step 3: Cross multiply
    25,136.10x = 37,688.67 × 8,494.56
  4. Step 4: Simplify right side
    25,136.10x = 320,148,668.64
  5. Step 5: Solve for x
    x = 320,148,668.64/25,136.10
  6. Step 6: Final answer
    x = 12,736.61

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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.