Home / 28,410.12-39,198.06-16,471.08

Finding the Fourth Proportional to 28,410.12, 39,198.06 and 16,471.08

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Solution

The fourth proportional to 28,410.12, 39,198.06 and 16,471.08 is: 22,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.12 : 39,198.06 = 16,471.08 : x
  2. Step 2: Convert to fraction form
    28,410.12/39,198.06 = 16,471.08/x
  3. Step 3: Cross multiply
    28,410.12x = 39,198.06 × 16,471.08
  4. Step 4: Simplify right side
    28,410.12x = 645,634,382.10
  5. Step 5: Solve for x
    x = 645,634,382.10/28,410.12
  6. Step 6: Final answer
    x = 22,725.51

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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.