Home / 25,783.37-38,668.79-10,782.38

Finding the Fourth Proportional to 25,783.37, 38,668.79 and 10,782.38

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Solution

The fourth proportional to 25,783.37, 38,668.79 and 10,782.38 is: 16,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.37 : 38,668.79 = 10,782.38 : x
  2. Step 2: Convert to fraction form
    25,783.37/38,668.79 = 10,782.38/x
  3. Step 3: Cross multiply
    25,783.37x = 38,668.79 × 10,782.38
  4. Step 4: Simplify right side
    25,783.37x = 416,941,340.66
  5. Step 5: Solve for x
    x = 416,941,340.66/25,783.37
  6. Step 6: Final answer
    x = 16,170.94

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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.