Home / 28,410.74-39,198.12-16,471.68

Finding the Fourth Proportional to 28,410.74, 39,198.12 and 16,471.68

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Solution

The fourth proportional to 28,410.74, 39,198.12 and 16,471.68 is: 22,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.74 : 39,198.12 = 16,471.68 : x
  2. Step 2: Convert to fraction form
    28,410.74/39,198.12 = 16,471.68/x
  3. Step 3: Cross multiply
    28,410.74x = 39,198.12 × 16,471.68
  4. Step 4: Simplify right side
    28,410.74x = 645,658,889.24
  5. Step 5: Solve for x
    x = 645,658,889.24/28,410.74
  6. Step 6: Final answer
    x = 22,725.88

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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.