Home / 27,796.06-38,357.82-15,859.18

Finding the Fourth Proportional to 27,796.06, 38,357.82 and 15,859.18

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Solution

The fourth proportional to 27,796.06, 38,357.82 and 15,859.18 is: 21,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.06 : 38,357.82 = 15,859.18 : x
  2. Step 2: Convert to fraction form
    27,796.06/38,357.82 = 15,859.18/x
  3. Step 3: Cross multiply
    27,796.06x = 38,357.82 × 15,859.18
  4. Step 4: Simplify right side
    27,796.06x = 608,323,571.79
  5. Step 5: Solve for x
    x = 608,323,571.79/27,796.06
  6. Step 6: Final answer
    x = 21,885.24

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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.