Home / 25,735.60-38,603.40-10,940.80

Finding the Fourth Proportional to 25,735.60, 38,603.40 and 10,940.80

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Solution

The fourth proportional to 25,735.60, 38,603.40 and 10,940.80 is: 16,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.60 : 38,603.40 = 10,940.80 : x
  2. Step 2: Convert to fraction form
    25,735.60/38,603.40 = 10,940.80/x
  3. Step 3: Cross multiply
    25,735.60x = 38,603.40 × 10,940.80
  4. Step 4: Simplify right side
    25,735.60x = 422,352,078.72
  5. Step 5: Solve for x
    x = 422,352,078.72/25,735.60
  6. Step 6: Final answer
    x = 16,411.20

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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.