Home / 28,300.92-42,451.38-10,766.64

Finding the Fourth Proportional to 28,300.92, 42,451.38 and 10,766.64

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Solution

The fourth proportional to 28,300.92, 42,451.38 and 10,766.64 is: 16,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.92 : 42,451.38 = 10,766.64 : x
  2. Step 2: Convert to fraction form
    28,300.92/42,451.38 = 10,766.64/x
  3. Step 3: Cross multiply
    28,300.92x = 42,451.38 × 10,766.64
  4. Step 4: Simplify right side
    28,300.92x = 457,058,725.96
  5. Step 5: Solve for x
    x = 457,058,725.96/28,300.92
  6. Step 6: Final answer
    x = 16,149.96

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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.