Home / 39,278.67-58,918.43-16,786.27

Finding the Fourth Proportional to 39,278.67, 58,918.43 and 16,786.27

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Solution

The fourth proportional to 39,278.67, 58,918.43 and 16,786.27 is: 25,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.67 : 58,918.43 = 16,786.27 : x
  2. Step 2: Convert to fraction form
    39,278.67/58,918.43 = 16,786.27/x
  3. Step 3: Cross multiply
    39,278.67x = 58,918.43 × 16,786.27
  4. Step 4: Simplify right side
    39,278.67x = 989,020,673.96
  5. Step 5: Solve for x
    x = 989,020,673.96/39,278.67
  6. Step 6: Final answer
    x = 25,179.59

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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.