Home / 28,705.05-39,519.09-22,644.23

Finding the Fourth Proportional to 28,705.05, 39,519.09 and 22,644.23

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Solution

The fourth proportional to 28,705.05, 39,519.09 and 22,644.23 is: 31,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.05 : 39,519.09 = 22,644.23 : x
  2. Step 2: Convert to fraction form
    28,705.05/39,519.09 = 22,644.23/x
  3. Step 3: Cross multiply
    28,705.05x = 39,519.09 × 22,644.23
  4. Step 4: Simplify right side
    28,705.05x = 894,879,165.76
  5. Step 5: Solve for x
    x = 894,879,165.76/28,705.05
  6. Step 6: Final answer
    x = 31,174.97

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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.