Home / 23,653.37-35,431.56-18,947.88

Finding the Fourth Proportional to 23,653.37, 35,431.56 and 18,947.88

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Solution

The fourth proportional to 23,653.37, 35,431.56 and 18,947.88 is: 28,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,653.37 : 35,431.56 = 18,947.88 : x
  2. Step 2: Convert to fraction form
    23,653.37/35,431.56 = 18,947.88/x
  3. Step 3: Cross multiply
    23,653.37x = 35,431.56 × 18,947.88
  4. Step 4: Simplify right side
    23,653.37x = 671,352,947.09
  5. Step 5: Solve for x
    x = 671,352,947.09/23,653.37
  6. Step 6: Final answer
    x = 28,382.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.