Home / 28,904.63-39,894.83-17,571.73

Finding the Fourth Proportional to 28,904.63, 39,894.83 and 17,571.73

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Solution

The fourth proportional to 28,904.63, 39,894.83 and 17,571.73 is: 24,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.63 : 39,894.83 = 17,571.73 : x
  2. Step 2: Convert to fraction form
    28,904.63/39,894.83 = 17,571.73/x
  3. Step 3: Cross multiply
    28,904.63x = 39,894.83 × 17,571.73
  4. Step 4: Simplify right side
    28,904.63x = 701,020,972.63
  5. Step 5: Solve for x
    x = 701,020,972.63/28,904.63
  6. Step 6: Final answer
    x = 24,252.90

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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.