Home / 28,849-39,812.58-17,668.84

Finding the Fourth Proportional to 28,849, 39,812.58 and 17,668.84

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Solution

The fourth proportional to 28,849, 39,812.58 and 17,668.84 is: 24,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849 : 39,812.58 = 17,668.84 : x
  2. Step 2: Convert to fraction form
    28,849/39,812.58 = 17,668.84/x
  3. Step 3: Cross multiply
    28,849x = 39,812.58 × 17,668.84
  4. Step 4: Simplify right side
    28,849x = 703,442,106.01
  5. Step 5: Solve for x
    x = 703,442,106.01/28,849
  6. Step 6: Final answer
    x = 24,383.59

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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.