Home / 17,280.48-25,910.28-7,273.20

Finding the Fourth Proportional to 17,280.48, 25,910.28 and 7,273.20

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Solution

The fourth proportional to 17,280.48, 25,910.28 and 7,273.20 is: 10,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.48 : 25,910.28 = 7,273.20 : x
  2. Step 2: Convert to fraction form
    17,280.48/25,910.28 = 7,273.20/x
  3. Step 3: Cross multiply
    17,280.48x = 25,910.28 × 7,273.20
  4. Step 4: Simplify right side
    17,280.48x = 188,450,648.50
  5. Step 5: Solve for x
    x = 188,450,648.50/17,280.48
  6. Step 6: Final answer
    x = 10,905.41

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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.