Home / 28,942.48-39,937.81-16,844.56

Finding the Fourth Proportional to 28,942.48, 39,937.81 and 16,844.56

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Solution

The fourth proportional to 28,942.48, 39,937.81 and 16,844.56 is: 23,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.48 : 39,937.81 = 16,844.56 : x
  2. Step 2: Convert to fraction form
    28,942.48/39,937.81 = 16,844.56/x
  3. Step 3: Cross multiply
    28,942.48x = 39,937.81 × 16,844.56
  4. Step 4: Simplify right side
    28,942.48x = 672,735,002.28
  5. Step 5: Solve for x
    x = 672,735,002.28/28,942.48
  6. Step 6: Final answer
    x = 23,243.86

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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.