Home / 23,188.92-32,000.54-12,979.97

Finding the Fourth Proportional to 23,188.92, 32,000.54 and 12,979.97

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Solution

The fourth proportional to 23,188.92, 32,000.54 and 12,979.97 is: 17,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.92 : 32,000.54 = 12,979.97 : x
  2. Step 2: Convert to fraction form
    23,188.92/32,000.54 = 12,979.97/x
  3. Step 3: Cross multiply
    23,188.92x = 32,000.54 × 12,979.97
  4. Step 4: Simplify right side
    23,188.92x = 415,365,824.28
  5. Step 5: Solve for x
    x = 415,365,824.28/23,188.92
  6. Step 6: Final answer
    x = 17,912.25

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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.