Home / 26,287.57-39,391.46-19,272.25

Finding the Fourth Proportional to 26,287.57, 39,391.46 and 19,272.25

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Solution

The fourth proportional to 26,287.57, 39,391.46 and 19,272.25 is: 28,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.57 : 39,391.46 = 19,272.25 : x
  2. Step 2: Convert to fraction form
    26,287.57/39,391.46 = 19,272.25/x
  3. Step 3: Cross multiply
    26,287.57x = 39,391.46 × 19,272.25
  4. Step 4: Simplify right side
    26,287.57x = 759,162,187.37
  5. Step 5: Solve for x
    x = 759,162,187.37/26,287.57
  6. Step 6: Final answer
    x = 28,879.13

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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.