Home / 28,673.37-39,572.43-16,739.64

Finding the Fourth Proportional to 28,673.37, 39,572.43 and 16,739.64

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Solution

The fourth proportional to 28,673.37, 39,572.43 and 16,739.64 is: 23,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.37 : 39,572.43 = 16,739.64 : x
  2. Step 2: Convert to fraction form
    28,673.37/39,572.43 = 16,739.64/x
  3. Step 3: Cross multiply
    28,673.37x = 39,572.43 × 16,739.64
  4. Step 4: Simplify right side
    28,673.37x = 662,428,232.13
  5. Step 5: Solve for x
    x = 662,428,232.13/28,673.37
  6. Step 6: Final answer
    x = 23,102.56

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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.