Home / 23,736.80-35,594.40-12,640.64

Finding the Fourth Proportional to 23,736.80, 35,594.40 and 12,640.64

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Solution

The fourth proportional to 23,736.80, 35,594.40 and 12,640.64 is: 18,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,736.80 : 35,594.40 = 12,640.64 : x
  2. Step 2: Convert to fraction form
    23,736.80/35,594.40 = 12,640.64/x
  3. Step 3: Cross multiply
    23,736.80x = 35,594.40 × 12,640.64
  4. Step 4: Simplify right side
    23,736.80x = 449,935,996.42
  5. Step 5: Solve for x
    x = 449,935,996.42/23,736.80
  6. Step 6: Final answer
    x = 18,955.21

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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.