Home / 28,898.37-39,879.81-16,323.12

Finding the Fourth Proportional to 28,898.37, 39,879.81 and 16,323.12

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Solution

The fourth proportional to 28,898.37, 39,879.81 and 16,323.12 is: 22,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.37 : 39,879.81 = 16,323.12 : x
  2. Step 2: Convert to fraction form
    28,898.37/39,879.81 = 16,323.12/x
  3. Step 3: Cross multiply
    28,898.37x = 39,879.81 × 16,323.12
  4. Step 4: Simplify right side
    28,898.37x = 650,962,924.21
  5. Step 5: Solve for x
    x = 650,962,924.21/28,898.37
  6. Step 6: Final answer
    x = 22,525.94

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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.