Home / 25,283.88-37,949.09-12,812.58

Finding the Fourth Proportional to 25,283.88, 37,949.09 and 12,812.58

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Solution

The fourth proportional to 25,283.88, 37,949.09 and 12,812.58 is: 19,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.88 : 37,949.09 = 12,812.58 : x
  2. Step 2: Convert to fraction form
    25,283.88/37,949.09 = 12,812.58/x
  3. Step 3: Cross multiply
    25,283.88x = 37,949.09 × 12,812.58
  4. Step 4: Simplify right side
    25,283.88x = 486,225,687.49
  5. Step 5: Solve for x
    x = 486,225,687.49/25,283.88
  6. Step 6: Final answer
    x = 19,230.66

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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.