Home / 28,323.60-39,090.48-16,393.92

Finding the Fourth Proportional to 28,323.60, 39,090.48 and 16,393.92

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Solution

The fourth proportional to 28,323.60, 39,090.48 and 16,393.92 is: 22,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.60 : 39,090.48 = 16,393.92 : x
  2. Step 2: Convert to fraction form
    28,323.60/39,090.48 = 16,393.92/x
  3. Step 3: Cross multiply
    28,323.60x = 39,090.48 × 16,393.92
  4. Step 4: Simplify right side
    28,323.60x = 640,846,201.88
  5. Step 5: Solve for x
    x = 640,846,201.88/28,323.60
  6. Step 6: Final answer
    x = 22,625.87

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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.