Home / 20,623.80-30,932.26-5,829.34

Finding the Fourth Proportional to 20,623.80, 30,932.26 and 5,829.34

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Solution

The fourth proportional to 20,623.80, 30,932.26 and 5,829.34 is: 8,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.80 : 30,932.26 = 5,829.34 : x
  2. Step 2: Convert to fraction form
    20,623.80/30,932.26 = 5,829.34/x
  3. Step 3: Cross multiply
    20,623.80x = 30,932.26 × 5,829.34
  4. Step 4: Simplify right side
    20,623.80x = 180,314,660.51
  5. Step 5: Solve for x
    x = 180,314,660.51/20,623.80
  6. Step 6: Final answer
    x = 8,743.04

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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.