Home / 28,738.06-39,650.76-16,804.32

Finding the Fourth Proportional to 28,738.06, 39,650.76 and 16,804.32

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Solution

The fourth proportional to 28,738.06, 39,650.76 and 16,804.32 is: 23,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.06 : 39,650.76 = 16,804.32 : x
  2. Step 2: Convert to fraction form
    28,738.06/39,650.76 = 16,804.32/x
  3. Step 3: Cross multiply
    28,738.06x = 39,650.76 × 16,804.32
  4. Step 4: Simplify right side
    28,738.06x = 666,304,059.28
  5. Step 5: Solve for x
    x = 666,304,059.28/28,738.06
  6. Step 6: Final answer
    x = 23,185.42

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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.