Home / 25,825.26-38,732.79-7,100.47

Finding the Fourth Proportional to 25,825.26, 38,732.79 and 7,100.47

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Solution

The fourth proportional to 25,825.26, 38,732.79 and 7,100.47 is: 10,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.26 : 38,732.79 = 7,100.47 : x
  2. Step 2: Convert to fraction form
    25,825.26/38,732.79 = 7,100.47/x
  3. Step 3: Cross multiply
    25,825.26x = 38,732.79 × 7,100.47
  4. Step 4: Simplify right side
    25,825.26x = 275,020,784.25
  5. Step 5: Solve for x
    x = 275,020,784.25/25,825.26
  6. Step 6: Final answer
    x = 10,649.29

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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.