Home / 25,502.31-38,253.43-6,782.36

Finding the Fourth Proportional to 25,502.31, 38,253.43 and 6,782.36

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Solution

The fourth proportional to 25,502.31, 38,253.43 and 6,782.36 is: 10,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.31 : 38,253.43 = 6,782.36 : x
  2. Step 2: Convert to fraction form
    25,502.31/38,253.43 = 6,782.36/x
  3. Step 3: Cross multiply
    25,502.31x = 38,253.43 × 6,782.36
  4. Step 4: Simplify right side
    25,502.31x = 259,448,533.49
  5. Step 5: Solve for x
    x = 259,448,533.49/25,502.31
  6. Step 6: Final answer
    x = 10,173.53

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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.