Home / 17,661.94-26,378.59-15,992.73

Finding the Fourth Proportional to 17,661.94, 26,378.59 and 15,992.73

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Solution

The fourth proportional to 17,661.94, 26,378.59 and 15,992.73 is: 23,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.94 : 26,378.59 = 15,992.73 : x
  2. Step 2: Convert to fraction form
    17,661.94/26,378.59 = 15,992.73/x
  3. Step 3: Cross multiply
    17,661.94x = 26,378.59 × 15,992.73
  4. Step 4: Simplify right side
    17,661.94x = 421,865,733.60
  5. Step 5: Solve for x
    x = 421,865,733.60/17,661.94
  6. Step 6: Final answer
    x = 23,885.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.