Home / 28,980.74-39,974.37-22,682.18

Finding the Fourth Proportional to 28,980.74, 39,974.37 and 22,682.18

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Solution

The fourth proportional to 28,980.74, 39,974.37 and 22,682.18 is: 31,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.74 : 39,974.37 = 22,682.18 : x
  2. Step 2: Convert to fraction form
    28,980.74/39,974.37 = 22,682.18/x
  3. Step 3: Cross multiply
    28,980.74x = 39,974.37 × 22,682.18
  4. Step 4: Simplify right side
    28,980.74x = 906,705,855.73
  5. Step 5: Solve for x
    x = 906,705,855.73/28,980.74
  6. Step 6: Final answer
    x = 31,286.50

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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.