Home / 28,591.03-42,871.92-11,946.52

Finding the Fourth Proportional to 28,591.03, 42,871.92 and 11,946.52

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Solution

The fourth proportional to 28,591.03, 42,871.92 and 11,946.52 is: 17,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.03 : 42,871.92 = 11,946.52 : x
  2. Step 2: Convert to fraction form
    28,591.03/42,871.92 = 11,946.52/x
  3. Step 3: Cross multiply
    28,591.03x = 42,871.92 × 11,946.52
  4. Step 4: Simplify right side
    28,591.03x = 512,170,249.72
  5. Step 5: Solve for x
    x = 512,170,249.72/28,591.03
  6. Step 6: Final answer
    x = 17,913.67

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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.