Home / 18,881.36-28,297.80-15,954.29

Finding the Fourth Proportional to 18,881.36, 28,297.80 and 15,954.29

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Solution

The fourth proportional to 18,881.36, 28,297.80 and 15,954.29 is: 23,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.36 : 28,297.80 = 15,954.29 : x
  2. Step 2: Convert to fraction form
    18,881.36/28,297.80 = 15,954.29/x
  3. Step 3: Cross multiply
    18,881.36x = 28,297.80 × 15,954.29
  4. Step 4: Simplify right side
    18,881.36x = 451,471,166.07
  5. Step 5: Solve for x
    x = 451,471,166.07/18,881.36
  6. Step 6: Final answer
    x = 23,910.95

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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.