Home / 25,669.44-38,505.60-7,200

Finding the Fourth Proportional to 25,669.44, 38,505.60 and 7,200

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Solution

The fourth proportional to 25,669.44, 38,505.60 and 7,200 is: 10,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.44 : 38,505.60 = 7,200 : x
  2. Step 2: Convert to fraction form
    25,669.44/38,505.60 = 7,200/x
  3. Step 3: Cross multiply
    25,669.44x = 38,505.60 × 7,200
  4. Step 4: Simplify right side
    25,669.44x = 277,240,320
  5. Step 5: Solve for x
    x = 277,240,320/25,669.44
  6. Step 6: Final answer
    x = 10,800.40

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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.