Home / 27,926.84-38,539.14-15,351.68

Finding the Fourth Proportional to 27,926.84, 38,539.14 and 15,351.68

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Solution

The fourth proportional to 27,926.84, 38,539.14 and 15,351.68 is: 21,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.84 : 38,539.14 = 15,351.68 : x
  2. Step 2: Convert to fraction form
    27,926.84/38,539.14 = 15,351.68/x
  3. Step 3: Cross multiply
    27,926.84x = 38,539.14 × 15,351.68
  4. Step 4: Simplify right side
    27,926.84x = 591,640,544.76
  5. Step 5: Solve for x
    x = 591,640,544.76/27,926.84
  6. Step 6: Final answer
    x = 21,185.37

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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.