Home / 27,869.96-38,448.92-18,903.26

Finding the Fourth Proportional to 27,869.96, 38,448.92 and 18,903.26

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Solution

The fourth proportional to 27,869.96, 38,448.92 and 18,903.26 is: 26,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.96 : 38,448.92 = 18,903.26 : x
  2. Step 2: Convert to fraction form
    27,869.96/38,448.92 = 18,903.26/x
  3. Step 3: Cross multiply
    27,869.96x = 38,448.92 × 18,903.26
  4. Step 4: Simplify right side
    27,869.96x = 726,809,644.72
  5. Step 5: Solve for x
    x = 726,809,644.72/27,869.96
  6. Step 6: Final answer
    x = 26,078.61

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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.