Home / 28,150.20-38,846.79-16,213.50

Finding the Fourth Proportional to 28,150.20, 38,846.79 and 16,213.50

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Solution

The fourth proportional to 28,150.20, 38,846.79 and 16,213.50 is: 22,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.20 : 38,846.79 = 16,213.50 : x
  2. Step 2: Convert to fraction form
    28,150.20/38,846.79 = 16,213.50/x
  3. Step 3: Cross multiply
    28,150.20x = 38,846.79 × 16,213.50
  4. Step 4: Simplify right side
    28,150.20x = 629,842,429.67
  5. Step 5: Solve for x
    x = 629,842,429.67/28,150.20
  6. Step 6: Final answer
    x = 22,374.35

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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.