Home / 25,491.92-38,188.67-12,353.51

Finding the Fourth Proportional to 25,491.92, 38,188.67 and 12,353.51

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Solution

The fourth proportional to 25,491.92, 38,188.67 and 12,353.51 is: 18,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.92 : 38,188.67 = 12,353.51 : x
  2. Step 2: Convert to fraction form
    25,491.92/38,188.67 = 12,353.51/x
  3. Step 3: Cross multiply
    25,491.92x = 38,188.67 × 12,353.51
  4. Step 4: Simplify right side
    25,491.92x = 471,764,150.44
  5. Step 5: Solve for x
    x = 471,764,150.44/25,491.92
  6. Step 6: Final answer
    x = 18,506.42

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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.