Home / 23,540.49-32,485.84-12,930.81

Finding the Fourth Proportional to 23,540.49, 32,485.84 and 12,930.81

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Solution

The fourth proportional to 23,540.49, 32,485.84 and 12,930.81 is: 17,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.49 : 32,485.84 = 12,930.81 : x
  2. Step 2: Convert to fraction form
    23,540.49/32,485.84 = 12,930.81/x
  3. Step 3: Cross multiply
    23,540.49x = 32,485.84 × 12,930.81
  4. Step 4: Simplify right side
    23,540.49x = 420,068,224.73
  5. Step 5: Solve for x
    x = 420,068,224.73/23,540.49
  6. Step 6: Final answer
    x = 17,844.50

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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.