Home / 18,668.08-28,002.14-17,527.60

Finding the Fourth Proportional to 18,668.08, 28,002.14 and 17,527.60

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Solution

The fourth proportional to 18,668.08, 28,002.14 and 17,527.60 is: 26,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.08 : 28,002.14 = 17,527.60 : x
  2. Step 2: Convert to fraction form
    18,668.08/28,002.14 = 17,527.60/x
  3. Step 3: Cross multiply
    18,668.08x = 28,002.14 × 17,527.60
  4. Step 4: Simplify right side
    18,668.08x = 490,810,309.06
  5. Step 5: Solve for x
    x = 490,810,309.06/18,668.08
  6. Step 6: Final answer
    x = 26,291.42

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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.