Home / 28,873.86-43,310.71-11,331.42

Finding the Fourth Proportional to 28,873.86, 43,310.71 and 11,331.42

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Solution

The fourth proportional to 28,873.86, 43,310.71 and 11,331.42 is: 16,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.86 : 43,310.71 = 11,331.42 : x
  2. Step 2: Convert to fraction form
    28,873.86/43,310.71 = 11,331.42/x
  3. Step 3: Cross multiply
    28,873.86x = 43,310.71 × 11,331.42
  4. Step 4: Simplify right side
    28,873.86x = 490,771,845.51
  5. Step 5: Solve for x
    x = 490,771,845.51/28,873.86
  6. Step 6: Final answer
    x = 16,997.10

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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.