Home / 27,973.11-38,603.71-15,227.12

Finding the Fourth Proportional to 27,973.11, 38,603.71 and 15,227.12

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Solution

The fourth proportional to 27,973.11, 38,603.71 and 15,227.12 is: 21,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.11 : 38,603.71 = 15,227.12 : x
  2. Step 2: Convert to fraction form
    27,973.11/38,603.71 = 15,227.12/x
  3. Step 3: Cross multiply
    27,973.11x = 38,603.71 × 15,227.12
  4. Step 4: Simplify right side
    27,973.11x = 587,823,131.60
  5. Step 5: Solve for x
    x = 587,823,131.60/27,973.11
  6. Step 6: Final answer
    x = 21,013.86

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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.