Home / 18,805.44-28,208.94-15,512.40

Finding the Fourth Proportional to 18,805.44, 28,208.94 and 15,512.40

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Solution

The fourth proportional to 18,805.44, 28,208.94 and 15,512.40 is: 23,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.44 : 28,208.94 = 15,512.40 : x
  2. Step 2: Convert to fraction form
    18,805.44/28,208.94 = 15,512.40/x
  3. Step 3: Cross multiply
    18,805.44x = 28,208.94 × 15,512.40
  4. Step 4: Simplify right side
    18,805.44x = 437,588,360.86
  5. Step 5: Solve for x
    x = 437,588,360.86/18,805.44
  6. Step 6: Final answer
    x = 23,269.24

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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.