Home / 28,118.44-38,803.50-16,181.53

Finding the Fourth Proportional to 28,118.44, 38,803.50 and 16,181.53

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Solution

The fourth proportional to 28,118.44, 38,803.50 and 16,181.53 is: 22,330.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.44 : 38,803.50 = 16,181.53 : x
  2. Step 2: Convert to fraction form
    28,118.44/38,803.50 = 16,181.53/x
  3. Step 3: Cross multiply
    28,118.44x = 38,803.50 × 16,181.53
  4. Step 4: Simplify right side
    28,118.44x = 627,899,999.36
  5. Step 5: Solve for x
    x = 627,899,999.36/28,118.44
  6. Step 6: Final answer
    x = 22,330.54

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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.