Home / 27,223.04-40,836.80-11,640.80

Finding the Fourth Proportional to 27,223.04, 40,836.80 and 11,640.80

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Solution

The fourth proportional to 27,223.04, 40,836.80 and 11,640.80 is: 17,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.04 : 40,836.80 = 11,640.80 : x
  2. Step 2: Convert to fraction form
    27,223.04/40,836.80 = 11,640.80/x
  3. Step 3: Cross multiply
    27,223.04x = 40,836.80 × 11,640.80
  4. Step 4: Simplify right side
    27,223.04x = 475,373,021.44
  5. Step 5: Solve for x
    x = 475,373,021.44/27,223.04
  6. Step 6: Final answer
    x = 17,462.16

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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.