Home / 28,845.54-39,803.44-16,743.22

Finding the Fourth Proportional to 28,845.54, 39,803.44 and 16,743.22

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Solution

The fourth proportional to 28,845.54, 39,803.44 and 16,743.22 is: 23,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.54 : 39,803.44 = 16,743.22 : x
  2. Step 2: Convert to fraction form
    28,845.54/39,803.44 = 16,743.22/x
  3. Step 3: Cross multiply
    28,845.54x = 39,803.44 × 16,743.22
  4. Step 4: Simplify right side
    28,845.54x = 666,437,752.68
  5. Step 5: Solve for x
    x = 666,437,752.68/28,845.54
  6. Step 6: Final answer
    x = 23,103.67

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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.