Home / 27,723.25-38,258.36-15,148

Finding the Fourth Proportional to 27,723.25, 38,258.36 and 15,148

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Solution

The fourth proportional to 27,723.25, 38,258.36 and 15,148 is: 20,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.25 : 38,258.36 = 15,148 : x
  2. Step 2: Convert to fraction form
    27,723.25/38,258.36 = 15,148/x
  3. Step 3: Cross multiply
    27,723.25x = 38,258.36 × 15,148
  4. Step 4: Simplify right side
    27,723.25x = 579,537,561.54
  5. Step 5: Solve for x
    x = 579,537,561.54/27,723.25
  6. Step 6: Final answer
    x = 20,904.39

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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.