Home / 28,412.78-39,226.46-25,260.26

Finding the Fourth Proportional to 28,412.78, 39,226.46 and 25,260.26

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Solution

The fourth proportional to 28,412.78, 39,226.46 and 25,260.26 is: 34,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.78 : 39,226.46 = 25,260.26 : x
  2. Step 2: Convert to fraction form
    28,412.78/39,226.46 = 25,260.26/x
  3. Step 3: Cross multiply
    28,412.78x = 39,226.46 × 25,260.26
  4. Step 4: Simplify right side
    28,412.78x = 990,870,578.48
  5. Step 5: Solve for x
    x = 990,870,578.48/28,412.78
  6. Step 6: Final answer
    x = 34,874.12

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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.