Home / 27,696.16-38,180.72-19,735.36

Finding the Fourth Proportional to 27,696.16, 38,180.72 and 19,735.36

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Solution

The fourth proportional to 27,696.16, 38,180.72 and 19,735.36 is: 27,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.16 : 38,180.72 = 19,735.36 : x
  2. Step 2: Convert to fraction form
    27,696.16/38,180.72 = 19,735.36/x
  3. Step 3: Cross multiply
    27,696.16x = 38,180.72 × 19,735.36
  4. Step 4: Simplify right side
    27,696.16x = 753,510,254.26
  5. Step 5: Solve for x
    x = 753,510,254.26/27,696.16
  6. Step 6: Final answer
    x = 27,206.31

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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.