Home / 28,786.12-43,226.07-17,762.88

Finding the Fourth Proportional to 28,786.12, 43,226.07 and 17,762.88

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Solution

The fourth proportional to 28,786.12, 43,226.07 and 17,762.88 is: 26,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.12 : 43,226.07 = 17,762.88 : x
  2. Step 2: Convert to fraction form
    28,786.12/43,226.07 = 17,762.88/x
  3. Step 3: Cross multiply
    28,786.12x = 43,226.07 × 17,762.88
  4. Step 4: Simplify right side
    28,786.12x = 767,819,346.62
  5. Step 5: Solve for x
    x = 767,819,346.62/28,786.12
  6. Step 6: Final answer
    x = 26,673.25

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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.