Home / 28,336.44-39,101.85-16,400.55

Finding the Fourth Proportional to 28,336.44, 39,101.85 and 16,400.55

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Solution

The fourth proportional to 28,336.44, 39,101.85 and 16,400.55 is: 22,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.44 : 39,101.85 = 16,400.55 : x
  2. Step 2: Convert to fraction form
    28,336.44/39,101.85 = 16,400.55/x
  3. Step 3: Cross multiply
    28,336.44x = 39,101.85 × 16,400.55
  4. Step 4: Simplify right side
    28,336.44x = 641,291,846.02
  5. Step 5: Solve for x
    x = 641,291,846.02/28,336.44
  6. Step 6: Final answer
    x = 22,631.35

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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.