Home / 25,563.35-38,400.93-18,215.03

Finding the Fourth Proportional to 25,563.35, 38,400.93 and 18,215.03

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Solution

The fourth proportional to 25,563.35, 38,400.93 and 18,215.03 is: 27,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.35 : 38,400.93 = 18,215.03 : x
  2. Step 2: Convert to fraction form
    25,563.35/38,400.93 = 18,215.03/x
  3. Step 3: Cross multiply
    25,563.35x = 38,400.93 × 18,215.03
  4. Step 4: Simplify right side
    25,563.35x = 699,474,091.98
  5. Step 5: Solve for x
    x = 699,474,091.98/25,563.35
  6. Step 6: Final answer
    x = 27,362.38

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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.