Home / 28,838.37-43,257.56-11,316.45

Finding the Fourth Proportional to 28,838.37, 43,257.56 and 11,316.45

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Solution

The fourth proportional to 28,838.37, 43,257.56 and 11,316.45 is: 16,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.37 : 43,257.56 = 11,316.45 : x
  2. Step 2: Convert to fraction form
    28,838.37/43,257.56 = 11,316.45/x
  3. Step 3: Cross multiply
    28,838.37x = 43,257.56 × 11,316.45
  4. Step 4: Simplify right side
    28,838.37x = 489,521,958.28
  5. Step 5: Solve for x
    x = 489,521,958.28/28,838.37
  6. Step 6: Final answer
    x = 16,974.68

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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.