Home / 27,099.27-37,394.94-15,768.84

Finding the Fourth Proportional to 27,099.27, 37,394.94 and 15,768.84

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Solution

The fourth proportional to 27,099.27, 37,394.94 and 15,768.84 is: 21,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.27 : 37,394.94 = 15,768.84 : x
  2. Step 2: Convert to fraction form
    27,099.27/37,394.94 = 15,768.84/x
  3. Step 3: Cross multiply
    27,099.27x = 37,394.94 × 15,768.84
  4. Step 4: Simplify right side
    27,099.27x = 589,674,825.67
  5. Step 5: Solve for x
    x = 589,674,825.67/27,099.27
  6. Step 6: Final answer
    x = 21,759.80

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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.