Home / 25,650.53-38,405.01-13,143.93

Finding the Fourth Proportional to 25,650.53, 38,405.01 and 13,143.93

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Solution

The fourth proportional to 25,650.53, 38,405.01 and 13,143.93 is: 19,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.53 : 38,405.01 = 13,143.93 : x
  2. Step 2: Convert to fraction form
    25,650.53/38,405.01 = 13,143.93/x
  3. Step 3: Cross multiply
    25,650.53x = 38,405.01 × 13,143.93
  4. Step 4: Simplify right side
    25,650.53x = 504,792,668.36
  5. Step 5: Solve for x
    x = 504,792,668.36/25,650.53
  6. Step 6: Final answer
    x = 19,679.62

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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.