Home / 28,352.44-42,533.82-8,628.76

Finding the Fourth Proportional to 28,352.44, 42,533.82 and 8,628.76

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Solution

The fourth proportional to 28,352.44, 42,533.82 and 8,628.76 is: 12,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.44 : 42,533.82 = 8,628.76 : x
  2. Step 2: Convert to fraction form
    28,352.44/42,533.82 = 8,628.76/x
  3. Step 3: Cross multiply
    28,352.44x = 42,533.82 × 8,628.76
  4. Step 4: Simplify right side
    28,352.44x = 367,014,124.66
  5. Step 5: Solve for x
    x = 367,014,124.66/28,352.44
  6. Step 6: Final answer
    x = 12,944.71

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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.