Home / 26,446.66-39,668.08-12,409.88

Finding the Fourth Proportional to 26,446.66, 39,668.08 and 12,409.88

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Solution

The fourth proportional to 26,446.66, 39,668.08 and 12,409.88 is: 18,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.66 : 39,668.08 = 12,409.88 : x
  2. Step 2: Convert to fraction form
    26,446.66/39,668.08 = 12,409.88/x
  3. Step 3: Cross multiply
    26,446.66x = 39,668.08 × 12,409.88
  4. Step 4: Simplify right side
    26,446.66x = 492,276,112.63
  5. Step 5: Solve for x
    x = 492,276,112.63/26,446.66
  6. Step 6: Final answer
    x = 18,613.92

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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.