Home / 28,571.58-39,469.86-22,821.48

Finding the Fourth Proportional to 28,571.58, 39,469.86 and 22,821.48

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Solution

The fourth proportional to 28,571.58, 39,469.86 and 22,821.48 is: 31,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.58 : 39,469.86 = 22,821.48 : x
  2. Step 2: Convert to fraction form
    28,571.58/39,469.86 = 22,821.48/x
  3. Step 3: Cross multiply
    28,571.58x = 39,469.86 × 22,821.48
  4. Step 4: Simplify right side
    28,571.58x = 900,760,620.59
  5. Step 5: Solve for x
    x = 900,760,620.59/28,571.58
  6. Step 6: Final answer
    x = 31,526.45

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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.