Home / 28,418.76-42,577.07-16,725.60

Finding the Fourth Proportional to 28,418.76, 42,577.07 and 16,725.60

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Solution

The fourth proportional to 28,418.76, 42,577.07 and 16,725.60 is: 25,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418.76 : 42,577.07 = 16,725.60 : x
  2. Step 2: Convert to fraction form
    28,418.76/42,577.07 = 16,725.60/x
  3. Step 3: Cross multiply
    28,418.76x = 42,577.07 × 16,725.60
  4. Step 4: Simplify right side
    28,418.76x = 712,126,958.36
  5. Step 5: Solve for x
    x = 712,126,958.36/28,418.76
  6. Step 6: Final answer
    x = 25,058.34

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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.