Home / 19,229.45-28,778.57-16,112.98

Finding the Fourth Proportional to 19,229.45, 28,778.57 and 16,112.98

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Solution

The fourth proportional to 19,229.45, 28,778.57 and 16,112.98 is: 24,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.45 : 28,778.57 = 16,112.98 : x
  2. Step 2: Convert to fraction form
    19,229.45/28,778.57 = 16,112.98/x
  3. Step 3: Cross multiply
    19,229.45x = 28,778.57 × 16,112.98
  4. Step 4: Simplify right side
    19,229.45x = 463,708,331.47
  5. Step 5: Solve for x
    x = 463,708,331.47/19,229.45
  6. Step 6: Final answer
    x = 24,114.49

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1.5x scale

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.