Home / 27,886.97-38,469.75-17,804.81

Finding the Fourth Proportional to 27,886.97, 38,469.75 and 17,804.81

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Solution

The fourth proportional to 27,886.97, 38,469.75 and 17,804.81 is: 24,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.97 : 38,469.75 = 17,804.81 : x
  2. Step 2: Convert to fraction form
    27,886.97/38,469.75 = 17,804.81/x
  3. Step 3: Cross multiply
    27,886.97x = 38,469.75 × 17,804.81
  4. Step 4: Simplify right side
    27,886.97x = 684,946,618.90
  5. Step 5: Solve for x
    x = 684,946,618.90/27,886.97
  6. Step 6: Final answer
    x = 24,561.53

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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.