Home / 28,464.39-39,289.20-16,533.09

Finding the Fourth Proportional to 28,464.39, 39,289.20 and 16,533.09

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Solution

The fourth proportional to 28,464.39, 39,289.20 and 16,533.09 is: 22,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.39 : 39,289.20 = 16,533.09 : x
  2. Step 2: Convert to fraction form
    28,464.39/39,289.20 = 16,533.09/x
  3. Step 3: Cross multiply
    28,464.39x = 39,289.20 × 16,533.09
  4. Step 4: Simplify right side
    28,464.39x = 649,571,879.63
  5. Step 5: Solve for x
    x = 649,571,879.63/28,464.39
  6. Step 6: Final answer
    x = 22,820.51

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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.