Home / 28,119.44-38,804.86-16,182.56

Finding the Fourth Proportional to 28,119.44, 38,804.86 and 16,182.56

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Solution

The fourth proportional to 28,119.44, 38,804.86 and 16,182.56 is: 22,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.44 : 38,804.86 = 16,182.56 : x
  2. Step 2: Convert to fraction form
    28,119.44/38,804.86 = 16,182.56/x
  3. Step 3: Cross multiply
    28,119.44x = 38,804.86 × 16,182.56
  4. Step 4: Simplify right side
    28,119.44x = 627,961,975.24
  5. Step 5: Solve for x
    x = 627,961,975.24/28,119.44
  6. Step 6: Final answer
    x = 22,331.95

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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.