Home / 17,859.81-26,745.97-12,581.85

Finding the Fourth Proportional to 17,859.81, 26,745.97 and 12,581.85

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Solution

The fourth proportional to 17,859.81, 26,745.97 and 12,581.85 is: 18,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.81 : 26,745.97 = 12,581.85 : x
  2. Step 2: Convert to fraction form
    17,859.81/26,745.97 = 12,581.85/x
  3. Step 3: Cross multiply
    17,859.81x = 26,745.97 × 12,581.85
  4. Step 4: Simplify right side
    17,859.81x = 336,513,751.19
  5. Step 5: Solve for x
    x = 336,513,751.19/17,859.81
  6. Step 6: Final answer
    x = 18,841.96

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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.