Home / 27,155.97-37,473.21-15,216.99

Finding the Fourth Proportional to 27,155.97, 37,473.21 and 15,216.99

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Solution

The fourth proportional to 27,155.97, 37,473.21 and 15,216.99 is: 20,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.97 : 37,473.21 = 15,216.99 : x
  2. Step 2: Convert to fraction form
    27,155.97/37,473.21 = 15,216.99/x
  3. Step 3: Cross multiply
    27,155.97x = 37,473.21 × 15,216.99
  4. Step 4: Simplify right side
    27,155.97x = 570,229,461.84
  5. Step 5: Solve for x
    x = 570,229,461.84/27,155.97
  6. Step 6: Final answer
    x = 20,998.31

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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.