Home / 23,135.60-34,654.80-12,735.20

Finding the Fourth Proportional to 23,135.60, 34,654.80 and 12,735.20

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Solution

The fourth proportional to 23,135.60, 34,654.80 and 12,735.20 is: 19,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.60 : 34,654.80 = 12,735.20 : x
  2. Step 2: Convert to fraction form
    23,135.60/34,654.80 = 12,735.20/x
  3. Step 3: Cross multiply
    23,135.60x = 34,654.80 × 12,735.20
  4. Step 4: Simplify right side
    23,135.60x = 441,335,808.96
  5. Step 5: Solve for x
    x = 441,335,808.96/23,135.60
  6. Step 6: Final answer
    x = 19,076.05

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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.