Home / 28,458.34-39,273.05-16,517.32

Finding the Fourth Proportional to 28,458.34, 39,273.05 and 16,517.32

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Solution

The fourth proportional to 28,458.34, 39,273.05 and 16,517.32 is: 22,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.34 : 39,273.05 = 16,517.32 : x
  2. Step 2: Convert to fraction form
    28,458.34/39,273.05 = 16,517.32/x
  3. Step 3: Cross multiply
    28,458.34x = 39,273.05 × 16,517.32
  4. Step 4: Simplify right side
    28,458.34x = 648,685,477.34
  5. Step 5: Solve for x
    x = 648,685,477.34/28,458.34
  6. Step 6: Final answer
    x = 22,794.22

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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.