Home / 22,619.05-31,205.76-16,664.94

Finding the Fourth Proportional to 22,619.05, 31,205.76 and 16,664.94

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Solution

The fourth proportional to 22,619.05, 31,205.76 and 16,664.94 is: 22,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.05 : 31,205.76 = 16,664.94 : x
  2. Step 2: Convert to fraction form
    22,619.05/31,205.76 = 16,664.94/x
  3. Step 3: Cross multiply
    22,619.05x = 31,205.76 × 16,664.94
  4. Step 4: Simplify right side
    22,619.05x = 520,042,055.56
  5. Step 5: Solve for x
    x = 520,042,055.56/22,619.05
  6. Step 6: Final answer
    x = 22,991.33

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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.