Home / 25,880.09-38,790.98-12,741.69

Finding the Fourth Proportional to 25,880.09, 38,790.98 and 12,741.69

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Solution

The fourth proportional to 25,880.09, 38,790.98 and 12,741.69 is: 19,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.09 : 38,790.98 = 12,741.69 : x
  2. Step 2: Convert to fraction form
    25,880.09/38,790.98 = 12,741.69/x
  3. Step 3: Cross multiply
    25,880.09x = 38,790.98 × 12,741.69
  4. Step 4: Simplify right side
    25,880.09x = 494,262,578.25
  5. Step 5: Solve for x
    x = 494,262,578.25/25,880.09
  6. Step 6: Final answer
    x = 19,098.18

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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.