Home / 27,626.94-38,112.12-18,677.58

Finding the Fourth Proportional to 27,626.94, 38,112.12 and 18,677.58

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Solution

The fourth proportional to 27,626.94, 38,112.12 and 18,677.58 is: 25,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.94 : 38,112.12 = 18,677.58 : x
  2. Step 2: Convert to fraction form
    27,626.94/38,112.12 = 18,677.58/x
  3. Step 3: Cross multiply
    27,626.94x = 38,112.12 × 18,677.58
  4. Step 4: Simplify right side
    27,626.94x = 711,842,170.27
  5. Step 5: Solve for x
    x = 711,842,170.27/27,626.94
  6. Step 6: Final answer
    x = 25,766.23

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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.