Home / 27,633.30-38,132.78-15,696.60

Finding the Fourth Proportional to 27,633.30, 38,132.78 and 15,696.60

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Solution

The fourth proportional to 27,633.30, 38,132.78 and 15,696.60 is: 21,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.30 : 38,132.78 = 15,696.60 : x
  2. Step 2: Convert to fraction form
    27,633.30/38,132.78 = 15,696.60/x
  3. Step 3: Cross multiply
    27,633.30x = 38,132.78 × 15,696.60
  4. Step 4: Simplify right side
    27,633.30x = 598,554,994.55
  5. Step 5: Solve for x
    x = 598,554,994.55/27,633.30
  6. Step 6: Final answer
    x = 21,660.64

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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.