Home / 28,286.08-42,450.96-10,760.92

Finding the Fourth Proportional to 28,286.08, 42,450.96 and 10,760.92

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Solution

The fourth proportional to 28,286.08, 42,450.96 and 10,760.92 is: 16,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.08 : 42,450.96 = 10,760.92 : x
  2. Step 2: Convert to fraction form
    28,286.08/42,450.96 = 10,760.92/x
  3. Step 3: Cross multiply
    28,286.08x = 42,450.96 × 10,760.92
  4. Step 4: Simplify right side
    28,286.08x = 456,811,384.48
  5. Step 5: Solve for x
    x = 456,811,384.48/28,286.08
  6. Step 6: Final answer
    x = 16,149.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.