Home / 28,404.83-39,198.71-16,475.11

Finding the Fourth Proportional to 28,404.83, 39,198.71 and 16,475.11

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Solution

The fourth proportional to 28,404.83, 39,198.71 and 16,475.11 is: 22,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.83 : 39,198.71 = 16,475.11 : x
  2. Step 2: Convert to fraction form
    28,404.83/39,198.71 = 16,475.11/x
  3. Step 3: Cross multiply
    28,404.83x = 39,198.71 × 16,475.11
  4. Step 4: Simplify right side
    28,404.83x = 645,803,002.30
  5. Step 5: Solve for x
    x = 645,803,002.30/28,404.83
  6. Step 6: Final answer
    x = 22,735.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.