Home / 28,874.64-43,313.58-8,099.76

Finding the Fourth Proportional to 28,874.64, 43,313.58 and 8,099.76

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Solution

The fourth proportional to 28,874.64, 43,313.58 and 8,099.76 is: 12,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.64 : 43,313.58 = 8,099.76 : x
  2. Step 2: Convert to fraction form
    28,874.64/43,313.58 = 8,099.76/x
  3. Step 3: Cross multiply
    28,874.64x = 43,313.58 × 8,099.76
  4. Step 4: Simplify right side
    28,874.64x = 350,829,602.74
  5. Step 5: Solve for x
    x = 350,829,602.74/28,874.64
  6. Step 6: Final answer
    x = 12,150.09

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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.