Home / 27,986.94-41,960.43-13,188.06

Finding the Fourth Proportional to 27,986.94, 41,960.43 and 13,188.06

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Solution

The fourth proportional to 27,986.94, 41,960.43 and 13,188.06 is: 19,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,986.94 : 41,960.43 = 13,188.06 : x
  2. Step 2: Convert to fraction form
    27,986.94/41,960.43 = 13,188.06/x
  3. Step 3: Cross multiply
    27,986.94x = 41,960.43 × 13,188.06
  4. Step 4: Simplify right side
    27,986.94x = 553,376,668.47
  5. Step 5: Solve for x
    x = 553,376,668.47/27,986.94
  6. Step 6: Final answer
    x = 19,772.67

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1.5x scale

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.