Home / 28,856.59-43,289.44-12,216.72

Finding the Fourth Proportional to 28,856.59, 43,289.44 and 12,216.72

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Solution

The fourth proportional to 28,856.59, 43,289.44 and 12,216.72 is: 18,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.59 : 43,289.44 = 12,216.72 : x
  2. Step 2: Convert to fraction form
    28,856.59/43,289.44 = 12,216.72/x
  3. Step 3: Cross multiply
    28,856.59x = 43,289.44 × 12,216.72
  4. Step 4: Simplify right side
    28,856.59x = 528,855,099.23
  5. Step 5: Solve for x
    x = 528,855,099.23/28,856.59
  6. Step 6: Final answer
    x = 18,327.01

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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.