Home / 28,070.67-38,736.54-16,734.32

Finding the Fourth Proportional to 28,070.67, 38,736.54 and 16,734.32

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Solution

The fourth proportional to 28,070.67, 38,736.54 and 16,734.32 is: 23,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.67 : 38,736.54 = 16,734.32 : x
  2. Step 2: Convert to fraction form
    28,070.67/38,736.54 = 16,734.32/x
  3. Step 3: Cross multiply
    28,070.67x = 38,736.54 × 16,734.32
  4. Step 4: Simplify right side
    28,070.67x = 648,229,656.05
  5. Step 5: Solve for x
    x = 648,229,656.05/28,070.67
  6. Step 6: Final answer
    x = 23,092.77

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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.