Home / 23,968.80-35,765.72-21,478.28

Finding the Fourth Proportional to 23,968.80, 35,765.72 and 21,478.28

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Solution

The fourth proportional to 23,968.80, 35,765.72 and 21,478.28 is: 32,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,968.80 : 35,765.72 = 21,478.28 : x
  2. Step 2: Convert to fraction form
    23,968.80/35,765.72 = 21,478.28/x
  3. Step 3: Cross multiply
    23,968.80x = 35,765.72 × 21,478.28
  4. Step 4: Simplify right side
    23,968.80x = 768,186,148.56
  5. Step 5: Solve for x
    x = 768,186,148.56/23,968.80
  6. Step 6: Final answer
    x = 32,049.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.