Home / 27,852.47-38,438.24-15,277.22

Finding the Fourth Proportional to 27,852.47, 38,438.24 and 15,277.22

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Solution

The fourth proportional to 27,852.47, 38,438.24 and 15,277.22 is: 21,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.47 : 38,438.24 = 15,277.22 : x
  2. Step 2: Convert to fraction form
    27,852.47/38,438.24 = 15,277.22/x
  3. Step 3: Cross multiply
    27,852.47x = 38,438.24 × 15,277.22
  4. Step 4: Simplify right side
    27,852.47x = 587,229,324.46
  5. Step 5: Solve for x
    x = 587,229,324.46/27,852.47
  6. Step 6: Final answer
    x = 21,083.56

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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.