Home / 25,672.75-35,428.40-13,896.75

Finding the Fourth Proportional to 25,672.75, 35,428.40 and 13,896.75

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Solution

The fourth proportional to 25,672.75, 35,428.40 and 13,896.75 is: 19,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.75 : 35,428.40 = 13,896.75 : x
  2. Step 2: Convert to fraction form
    25,672.75/35,428.40 = 13,896.75/x
  3. Step 3: Cross multiply
    25,672.75x = 35,428.40 × 13,896.75
  4. Step 4: Simplify right side
    25,672.75x = 492,339,548.22
  5. Step 5: Solve for x
    x = 492,339,548.22/25,672.75
  6. Step 6: Final answer
    x = 19,177.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.