Home / 28,846.20-39,808.05-16,100.58

Finding the Fourth Proportional to 28,846.20, 39,808.05 and 16,100.58

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Solution

The fourth proportional to 28,846.20, 39,808.05 and 16,100.58 is: 22,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.20 : 39,808.05 = 16,100.58 : x
  2. Step 2: Convert to fraction form
    28,846.20/39,808.05 = 16,100.58/x
  3. Step 3: Cross multiply
    28,846.20x = 39,808.05 × 16,100.58
  4. Step 4: Simplify right side
    28,846.20x = 640,932,693.67
  5. Step 5: Solve for x
    x = 640,932,693.67/28,846.20
  6. Step 6: Final answer
    x = 22,218.96

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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.