Home / 28,739.46-39,668.49-17,412.42

Finding the Fourth Proportional to 28,739.46, 39,668.49 and 17,412.42

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Solution

The fourth proportional to 28,739.46, 39,668.49 and 17,412.42 is: 24,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.46 : 39,668.49 = 17,412.42 : x
  2. Step 2: Convert to fraction form
    28,739.46/39,668.49 = 17,412.42/x
  3. Step 3: Cross multiply
    28,739.46x = 39,668.49 × 17,412.42
  4. Step 4: Simplify right side
    28,739.46x = 690,724,408.65
  5. Step 5: Solve for x
    x = 690,724,408.65/28,739.46
  6. Step 6: Final answer
    x = 24,034.01

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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.