Home / 27,984.36-38,623.25-17,912.28

Finding the Fourth Proportional to 27,984.36, 38,623.25 and 17,912.28

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Solution

The fourth proportional to 27,984.36, 38,623.25 and 17,912.28 is: 24,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.36 : 38,623.25 = 17,912.28 : x
  2. Step 2: Convert to fraction form
    27,984.36/38,623.25 = 17,912.28/x
  3. Step 3: Cross multiply
    27,984.36x = 38,623.25 × 17,912.28
  4. Step 4: Simplify right side
    27,984.36x = 691,830,468.51
  5. Step 5: Solve for x
    x = 691,830,468.51/27,984.36
  6. Step 6: Final answer
    x = 24,722.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.