Home / 25,122.54-37,648.62-18,878.57

Finding the Fourth Proportional to 25,122.54, 37,648.62 and 18,878.57

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Solution

The fourth proportional to 25,122.54, 37,648.62 and 18,878.57 is: 28,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.54 : 37,648.62 = 18,878.57 : x
  2. Step 2: Convert to fraction form
    25,122.54/37,648.62 = 18,878.57/x
  3. Step 3: Cross multiply
    25,122.54x = 37,648.62 × 18,878.57
  4. Step 4: Simplify right side
    25,122.54x = 710,751,825.44
  5. Step 5: Solve for x
    x = 710,751,825.44/25,122.54
  6. Step 6: Final answer
    x = 28,291.40

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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.