Home / 24,431.26-33,685.59-20,647.75

Finding the Fourth Proportional to 24,431.26, 33,685.59 and 20,647.75

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Solution

The fourth proportional to 24,431.26, 33,685.59 and 20,647.75 is: 28,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,431.26 : 33,685.59 = 20,647.75 : x
  2. Step 2: Convert to fraction form
    24,431.26/33,685.59 = 20,647.75/x
  3. Step 3: Cross multiply
    24,431.26x = 33,685.59 × 20,647.75
  4. Step 4: Simplify right side
    24,431.26x = 695,531,640.92
  5. Step 5: Solve for x
    x = 695,531,640.92/24,431.26
  6. Step 6: Final answer
    x = 28,468.92

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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.