Home / 27,727.38-38,270.59-15,797.77

Finding the Fourth Proportional to 27,727.38, 38,270.59 and 15,797.77

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Solution

The fourth proportional to 27,727.38, 38,270.59 and 15,797.77 is: 21,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.38 : 38,270.59 = 15,797.77 : x
  2. Step 2: Convert to fraction form
    27,727.38/38,270.59 = 15,797.77/x
  3. Step 3: Cross multiply
    27,727.38x = 38,270.59 × 15,797.77
  4. Step 4: Simplify right side
    27,727.38x = 604,589,843.41
  5. Step 5: Solve for x
    x = 604,589,843.41/27,727.38
  6. Step 6: Final answer
    x = 21,804.80

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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.