Home / 25,651.26-38,490.21-19,409.42

Finding the Fourth Proportional to 25,651.26, 38,490.21 and 19,409.42

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Solution

The fourth proportional to 25,651.26, 38,490.21 and 19,409.42 is: 29,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.26 : 38,490.21 = 19,409.42 : x
  2. Step 2: Convert to fraction form
    25,651.26/38,490.21 = 19,409.42/x
  3. Step 3: Cross multiply
    25,651.26x = 38,490.21 × 19,409.42
  4. Step 4: Simplify right side
    25,651.26x = 747,072,748.00
  5. Step 5: Solve for x
    x = 747,072,748.00/25,651.26
  6. Step 6: Final answer
    x = 29,124.21

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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.