Home / 20,638.24-30,957.36-5,847.28

Finding the Fourth Proportional to 20,638.24, 30,957.36 and 5,847.28

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Solution

The fourth proportional to 20,638.24, 30,957.36 and 5,847.28 is: 8,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638.24 : 30,957.36 = 5,847.28 : x
  2. Step 2: Convert to fraction form
    20,638.24/30,957.36 = 5,847.28/x
  3. Step 3: Cross multiply
    20,638.24x = 30,957.36 × 5,847.28
  4. Step 4: Simplify right side
    20,638.24x = 181,016,351.98
  5. Step 5: Solve for x
    x = 181,016,351.98/20,638.24
  6. Step 6: Final answer
    x = 8,770.92

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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.