Home / 28,018.38-38,665.53-16,081.41

Finding the Fourth Proportional to 28,018.38, 38,665.53 and 16,081.41

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Solution

The fourth proportional to 28,018.38, 38,665.53 and 16,081.41 is: 22,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.38 : 38,665.53 = 16,081.41 : x
  2. Step 2: Convert to fraction form
    28,018.38/38,665.53 = 16,081.41/x
  3. Step 3: Cross multiply
    28,018.38x = 38,665.53 × 16,081.41
  4. Step 4: Simplify right side
    28,018.38x = 621,796,240.80
  5. Step 5: Solve for x
    x = 621,796,240.80/28,018.38
  6. Step 6: Final answer
    x = 22,192.44

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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.