Home / 25,648.14-38,485.75-18,199.83

Finding the Fourth Proportional to 25,648.14, 38,485.75 and 18,199.83

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Solution

The fourth proportional to 25,648.14, 38,485.75 and 18,199.83 is: 27,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.14 : 38,485.75 = 18,199.83 : x
  2. Step 2: Convert to fraction form
    25,648.14/38,485.75 = 18,199.83/x
  3. Step 3: Cross multiply
    25,648.14x = 38,485.75 × 18,199.83
  4. Step 4: Simplify right side
    25,648.14x = 700,434,107.42
  5. Step 5: Solve for x
    x = 700,434,107.42/25,648.14
  6. Step 6: Final answer
    x = 27,309.35

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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.