Home / 25,736.94-38,537.78-20,712.60

Finding the Fourth Proportional to 25,736.94, 38,537.78 and 20,712.60

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Solution

The fourth proportional to 25,736.94, 38,537.78 and 20,712.60 is: 31,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,736.94 : 38,537.78 = 20,712.60 : x
  2. Step 2: Convert to fraction form
    25,736.94/38,537.78 = 20,712.60/x
  3. Step 3: Cross multiply
    25,736.94x = 38,537.78 × 20,712.60
  4. Step 4: Simplify right side
    25,736.94x = 798,217,518.47
  5. Step 5: Solve for x
    x = 798,217,518.47/25,736.94
  6. Step 6: Final answer
    x = 31,014.47

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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.