Home / 28,144.64-38,837.25-16,041.87

Finding the Fourth Proportional to 28,144.64, 38,837.25 and 16,041.87

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Solution

The fourth proportional to 28,144.64, 38,837.25 and 16,041.87 is: 22,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.64 : 38,837.25 = 16,041.87 : x
  2. Step 2: Convert to fraction form
    28,144.64/38,837.25 = 16,041.87/x
  3. Step 3: Cross multiply
    28,144.64x = 38,837.25 × 16,041.87
  4. Step 4: Simplify right side
    28,144.64x = 623,022,179.77
  5. Step 5: Solve for x
    x = 623,022,179.77/28,144.64
  6. Step 6: Final answer
    x = 22,136.44

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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.