Home / 38,928.80-58,391.04-18,166.88

Finding the Fourth Proportional to 38,928.80, 58,391.04 and 18,166.88

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Solution

The fourth proportional to 38,928.80, 58,391.04 and 18,166.88 is: 27,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.80 : 58,391.04 = 18,166.88 : x
  2. Step 2: Convert to fraction form
    38,928.80/58,391.04 = 18,166.88/x
  3. Step 3: Cross multiply
    38,928.80x = 58,391.04 × 18,166.88
  4. Step 4: Simplify right side
    38,928.80x = 1,060,783,016.76
  5. Step 5: Solve for x
    x = 1,060,783,016.76/38,928.80
  6. Step 6: Final answer
    x = 27,249.31

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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.