Home / 72,828.06-109,268.25-25,450.02

Finding the Fourth Proportional to 72,828.06, 109,268.25 and 25,450.02

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Solution

The fourth proportional to 72,828.06, 109,268.25 and 25,450.02 is: 38,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828.06 : 109,268.25 = 25,450.02 : x
  2. Step 2: Convert to fraction form
    72,828.06/109,268.25 = 25,450.02/x
  3. Step 3: Cross multiply
    72,828.06x = 109,268.25 × 25,450.02
  4. Step 4: Simplify right side
    72,828.06x = 2,780,879,147.87
  5. Step 5: Solve for x
    x = 2,780,879,147.87/72,828.06
  6. Step 6: Final answer
    x = 38,184.17

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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.