Home / 28,942.50-43,394.31-13,351.62

Finding the Fourth Proportional to 28,942.50, 43,394.31 and 13,351.62

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Solution

The fourth proportional to 28,942.50, 43,394.31 and 13,351.62 is: 20,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.50 : 43,394.31 = 13,351.62 : x
  2. Step 2: Convert to fraction form
    28,942.50/43,394.31 = 13,351.62/x
  3. Step 3: Cross multiply
    28,942.50x = 43,394.31 × 13,351.62
  4. Step 4: Simplify right side
    28,942.50x = 579,384,337.28
  5. Step 5: Solve for x
    x = 579,384,337.28/28,942.50
  6. Step 6: Final answer
    x = 20,018.46

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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.