Home / 27,633.04-38,132.84-15,696.08

Finding the Fourth Proportional to 27,633.04, 38,132.84 and 15,696.08

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Solution

The fourth proportional to 27,633.04, 38,132.84 and 15,696.08 is: 21,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.04 : 38,132.84 = 15,696.08 : x
  2. Step 2: Convert to fraction form
    27,633.04/38,132.84 = 15,696.08/x
  3. Step 3: Cross multiply
    27,633.04x = 38,132.84 × 15,696.08
  4. Step 4: Simplify right side
    27,633.04x = 598,536,107.27
  5. Step 5: Solve for x
    x = 598,536,107.27/27,633.04
  6. Step 6: Final answer
    x = 21,660.16

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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.