Home / 28,914.88-43,342.78-16,408.50

Finding the Fourth Proportional to 28,914.88, 43,342.78 and 16,408.50

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Solution

The fourth proportional to 28,914.88, 43,342.78 and 16,408.50 is: 24,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.88 : 43,342.78 = 16,408.50 : x
  2. Step 2: Convert to fraction form
    28,914.88/43,342.78 = 16,408.50/x
  3. Step 3: Cross multiply
    28,914.88x = 43,342.78 × 16,408.50
  4. Step 4: Simplify right side
    28,914.88x = 711,190,005.63
  5. Step 5: Solve for x
    x = 711,190,005.63/28,914.88
  6. Step 6: Final answer
    x = 24,595.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.