Home / 25,173.80-37,699.98-19,890.44

Finding the Fourth Proportional to 25,173.80, 37,699.98 and 19,890.44

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Solution

The fourth proportional to 25,173.80, 37,699.98 and 19,890.44 is: 29,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.80 : 37,699.98 = 19,890.44 : x
  2. Step 2: Convert to fraction form
    25,173.80/37,699.98 = 19,890.44/x
  3. Step 3: Cross multiply
    25,173.80x = 37,699.98 × 19,890.44
  4. Step 4: Simplify right side
    25,173.80x = 749,869,190.19
  5. Step 5: Solve for x
    x = 749,869,190.19/25,173.80
  6. Step 6: Final answer
    x = 29,787.68

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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.