Home / 28,905.32-43,331.68-11,124.64

Finding the Fourth Proportional to 28,905.32, 43,331.68 and 11,124.64

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Solution

The fourth proportional to 28,905.32, 43,331.68 and 11,124.64 is: 16,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.32 : 43,331.68 = 11,124.64 : x
  2. Step 2: Convert to fraction form
    28,905.32/43,331.68 = 11,124.64/x
  3. Step 3: Cross multiply
    28,905.32x = 43,331.68 × 11,124.64
  4. Step 4: Simplify right side
    28,905.32x = 482,049,340.60
  5. Step 5: Solve for x
    x = 482,049,340.60/28,905.32
  6. Step 6: Final answer
    x = 16,676.84

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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.