Home / 25,460.80-38,219.14-20,229.44

Finding the Fourth Proportional to 25,460.80, 38,219.14 and 20,229.44

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Solution

The fourth proportional to 25,460.80, 38,219.14 and 20,229.44 is: 30,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,460.80 : 38,219.14 = 20,229.44 : x
  2. Step 2: Convert to fraction form
    25,460.80/38,219.14 = 20,229.44/x
  3. Step 3: Cross multiply
    25,460.80x = 38,219.14 × 20,229.44
  4. Step 4: Simplify right side
    25,460.80x = 773,151,799.48
  5. Step 5: Solve for x
    x = 773,151,799.48/25,460.80
  6. Step 6: Final answer
    x = 30,366.36

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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.