Home / 27,078.21-37,352.92-15,746.46

Finding the Fourth Proportional to 27,078.21, 37,352.92 and 15,746.46

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Solution

The fourth proportional to 27,078.21, 37,352.92 and 15,746.46 is: 21,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.21 : 37,352.92 = 15,746.46 : x
  2. Step 2: Convert to fraction form
    27,078.21/37,352.92 = 15,746.46/x
  3. Step 3: Cross multiply
    27,078.21x = 37,352.92 × 15,746.46
  4. Step 4: Simplify right side
    27,078.21x = 588,176,390.90
  5. Step 5: Solve for x
    x = 588,176,390.90/27,078.21
  6. Step 6: Final answer
    x = 21,721.39

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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.