Home / 28,461.92-42,674.61-11,833.52

Finding the Fourth Proportional to 28,461.92, 42,674.61 and 11,833.52

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Solution

The fourth proportional to 28,461.92, 42,674.61 and 11,833.52 is: 17,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.92 : 42,674.61 = 11,833.52 : x
  2. Step 2: Convert to fraction form
    28,461.92/42,674.61 = 11,833.52/x
  3. Step 3: Cross multiply
    28,461.92x = 42,674.61 × 11,833.52
  4. Step 4: Simplify right side
    28,461.92x = 504,990,850.93
  5. Step 5: Solve for x
    x = 504,990,850.93/28,461.92
  6. Step 6: Final answer
    x = 17,742.68

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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.