Home / 28,405.48-39,198.66-17,800.84

Finding the Fourth Proportional to 28,405.48, 39,198.66 and 17,800.84

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Solution

The fourth proportional to 28,405.48, 39,198.66 and 17,800.84 is: 24,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.48 : 39,198.66 = 17,800.84 : x
  2. Step 2: Convert to fraction form
    28,405.48/39,198.66 = 17,800.84/x
  3. Step 3: Cross multiply
    28,405.48x = 39,198.66 × 17,800.84
  4. Step 4: Simplify right side
    28,405.48x = 697,769,074.87
  5. Step 5: Solve for x
    x = 697,769,074.87/28,405.48
  6. Step 6: Final answer
    x = 24,564.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.