Home / 27,806.87-38,374.26-16,904.99

Finding the Fourth Proportional to 27,806.87, 38,374.26 and 16,904.99

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Solution

The fourth proportional to 27,806.87, 38,374.26 and 16,904.99 is: 23,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.87 : 38,374.26 = 16,904.99 : x
  2. Step 2: Convert to fraction form
    27,806.87/38,374.26 = 16,904.99/x
  3. Step 3: Cross multiply
    27,806.87x = 38,374.26 × 16,904.99
  4. Step 4: Simplify right side
    27,806.87x = 648,716,481.56
  5. Step 5: Solve for x
    x = 648,716,481.56/27,806.87
  6. Step 6: Final answer
    x = 23,329.36

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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.