Home / 28,847.30-39,816.54-16,279.34

Finding the Fourth Proportional to 28,847.30, 39,816.54 and 16,279.34

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Solution

The fourth proportional to 28,847.30, 39,816.54 and 16,279.34 is: 22,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.30 : 39,816.54 = 16,279.34 : x
  2. Step 2: Convert to fraction form
    28,847.30/39,816.54 = 16,279.34/x
  3. Step 3: Cross multiply
    28,847.30x = 39,816.54 × 16,279.34
  4. Step 4: Simplify right side
    28,847.30x = 648,186,793.20
  5. Step 5: Solve for x
    x = 648,186,793.20/28,847.30
  6. Step 6: Final answer
    x = 22,469.59

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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.