Home / 23,415.78-32,313.33-12,805.38

Finding the Fourth Proportional to 23,415.78, 32,313.33 and 12,805.38

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Solution

The fourth proportional to 23,415.78, 32,313.33 and 12,805.38 is: 17,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.78 : 32,313.33 = 12,805.38 : x
  2. Step 2: Convert to fraction form
    23,415.78/32,313.33 = 12,805.38/x
  3. Step 3: Cross multiply
    23,415.78x = 32,313.33 × 12,805.38
  4. Step 4: Simplify right side
    23,415.78x = 413,784,469.72
  5. Step 5: Solve for x
    x = 413,784,469.72/23,415.78
  6. Step 6: Final answer
    x = 17,671.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.