Home / 27,040.45-37,315.41-15,103.95

Finding the Fourth Proportional to 27,040.45, 37,315.41 and 15,103.95

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Solution

The fourth proportional to 27,040.45, 37,315.41 and 15,103.95 is: 20,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,040.45 : 37,315.41 = 15,103.95 : x
  2. Step 2: Convert to fraction form
    27,040.45/37,315.41 = 15,103.95/x
  3. Step 3: Cross multiply
    27,040.45x = 37,315.41 × 15,103.95
  4. Step 4: Simplify right side
    27,040.45x = 563,610,086.87
  5. Step 5: Solve for x
    x = 563,610,086.87/27,040.45
  6. Step 6: Final answer
    x = 20,843.22

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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.