Home / 20,272.58-30,253.96-18,058.24

Finding the Fourth Proportional to 20,272.58, 30,253.96 and 18,058.24

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Solution

The fourth proportional to 20,272.58, 30,253.96 and 18,058.24 is: 26,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.58 : 30,253.96 = 18,058.24 : x
  2. Step 2: Convert to fraction form
    20,272.58/30,253.96 = 18,058.24/x
  3. Step 3: Cross multiply
    20,272.58x = 30,253.96 × 18,058.24
  4. Step 4: Simplify right side
    20,272.58x = 546,333,229.44
  5. Step 5: Solve for x
    x = 546,333,229.44/20,272.58
  6. Step 6: Final answer
    x = 26,949.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.