Home / 17,290.80-25,894.62-9,872.77

Finding the Fourth Proportional to 17,290.80, 25,894.62 and 9,872.77

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Solution

The fourth proportional to 17,290.80, 25,894.62 and 9,872.77 is: 14,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.80 : 25,894.62 = 9,872.77 : x
  2. Step 2: Convert to fraction form
    17,290.80/25,894.62 = 9,872.77/x
  3. Step 3: Cross multiply
    17,290.80x = 25,894.62 × 9,872.77
  4. Step 4: Simplify right side
    17,290.80x = 255,651,627.50
  5. Step 5: Solve for x
    x = 255,651,627.50/17,290.80
  6. Step 6: Final answer
    x = 14,785.41

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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.