Home / 25,678.44-38,487.96-10,865.16

Finding the Fourth Proportional to 25,678.44, 38,487.96 and 10,865.16

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Solution

The fourth proportional to 25,678.44, 38,487.96 and 10,865.16 is: 16,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.44 : 38,487.96 = 10,865.16 : x
  2. Step 2: Convert to fraction form
    25,678.44/38,487.96 = 10,865.16/x
  3. Step 3: Cross multiply
    25,678.44x = 38,487.96 × 10,865.16
  4. Step 4: Simplify right side
    25,678.44x = 418,177,843.47
  5. Step 5: Solve for x
    x = 418,177,843.47/25,678.44
  6. Step 6: Final answer
    x = 16,285.17

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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.