Home / 25,389.44-38,084.16-6,921.44

Finding the Fourth Proportional to 25,389.44, 38,084.16 and 6,921.44

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Solution

The fourth proportional to 25,389.44, 38,084.16 and 6,921.44 is: 10,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.44 : 38,084.16 = 6,921.44 : x
  2. Step 2: Convert to fraction form
    25,389.44/38,084.16 = 6,921.44/x
  3. Step 3: Cross multiply
    25,389.44x = 38,084.16 × 6,921.44
  4. Step 4: Simplify right side
    25,389.44x = 263,597,228.39
  5. Step 5: Solve for x
    x = 263,597,228.39/25,389.44
  6. Step 6: Final answer
    x = 10,382.16

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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.