Home / 27,318.24-40,951.80-12,512.25

Finding the Fourth Proportional to 27,318.24, 40,951.80 and 12,512.25

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Solution

The fourth proportional to 27,318.24, 40,951.80 and 12,512.25 is: 18,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.24 : 40,951.80 = 12,512.25 : x
  2. Step 2: Convert to fraction form
    27,318.24/40,951.80 = 12,512.25/x
  3. Step 3: Cross multiply
    27,318.24x = 40,951.80 × 12,512.25
  4. Step 4: Simplify right side
    27,318.24x = 512,399,159.55
  5. Step 5: Solve for x
    x = 512,399,159.55/27,318.24
  6. Step 6: Final answer
    x = 18,756.67

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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.