Home / 27,072.45-40,608.66-13,209.57

Finding the Fourth Proportional to 27,072.45, 40,608.66 and 13,209.57

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Solution

The fourth proportional to 27,072.45, 40,608.66 and 13,209.57 is: 19,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.45 : 40,608.66 = 13,209.57 : x
  2. Step 2: Convert to fraction form
    27,072.45/40,608.66 = 13,209.57/x
  3. Step 3: Cross multiply
    27,072.45x = 40,608.66 × 13,209.57
  4. Step 4: Simplify right side
    27,072.45x = 536,422,936.88
  5. Step 5: Solve for x
    x = 536,422,936.88/27,072.45
  6. Step 6: Final answer
    x = 19,814.35

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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.