Home / 28,069.67-38,735.16-16,733.32

Finding the Fourth Proportional to 28,069.67, 38,735.16 and 16,733.32

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Solution

The fourth proportional to 28,069.67, 38,735.16 and 16,733.32 is: 23,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.67 : 38,735.16 = 16,733.32 : x
  2. Step 2: Convert to fraction form
    28,069.67/38,735.16 = 16,733.32/x
  3. Step 3: Cross multiply
    28,069.67x = 38,735.16 × 16,733.32
  4. Step 4: Simplify right side
    28,069.67x = 648,167,633.86
  5. Step 5: Solve for x
    x = 648,167,633.86/28,069.67
  6. Step 6: Final answer
    x = 23,091.39

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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.