Home / 25,668.56-38,491.32-11,810

Finding the Fourth Proportional to 25,668.56, 38,491.32 and 11,810

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Solution

The fourth proportional to 25,668.56, 38,491.32 and 11,810 is: 17,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.56 : 38,491.32 = 11,810 : x
  2. Step 2: Convert to fraction form
    25,668.56/38,491.32 = 11,810/x
  3. Step 3: Cross multiply
    25,668.56x = 38,491.32 × 11,810
  4. Step 4: Simplify right side
    25,668.56x = 454,582,489.20
  5. Step 5: Solve for x
    x = 454,582,489.20/25,668.56
  6. Step 6: Final answer
    x = 17,709.70

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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.