Home / 25,359.32-38,022.78-12,185.48

Finding the Fourth Proportional to 25,359.32, 38,022.78 and 12,185.48

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Solution

The fourth proportional to 25,359.32, 38,022.78 and 12,185.48 is: 18,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.32 : 38,022.78 = 12,185.48 : x
  2. Step 2: Convert to fraction form
    25,359.32/38,022.78 = 12,185.48/x
  3. Step 3: Cross multiply
    25,359.32x = 38,022.78 × 12,185.48
  4. Step 4: Simplify right side
    25,359.32x = 463,325,825.23
  5. Step 5: Solve for x
    x = 463,325,825.23/25,359.32
  6. Step 6: Final answer
    x = 18,270.44

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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.