Home / 65,728.26-98,570.52-26,274.78

Finding the Fourth Proportional to 65,728.26, 98,570.52 and 26,274.78

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Solution

The fourth proportional to 65,728.26, 98,570.52 and 26,274.78 is: 39,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,728.26 : 98,570.52 = 26,274.78 : x
  2. Step 2: Convert to fraction form
    65,728.26/98,570.52 = 26,274.78/x
  3. Step 3: Cross multiply
    65,728.26x = 98,570.52 × 26,274.78
  4. Step 4: Simplify right side
    65,728.26x = 2,589,918,727.49
  5. Step 5: Solve for x
    x = 2,589,918,727.49/65,728.26
  6. Step 6: Final answer
    x = 39,403.43

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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.