Home / 38,786.26-58,165.02-13,819.68

Finding the Fourth Proportional to 38,786.26, 58,165.02 and 13,819.68

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Solution

The fourth proportional to 38,786.26, 58,165.02 and 13,819.68 is: 20,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.26 : 58,165.02 = 13,819.68 : x
  2. Step 2: Convert to fraction form
    38,786.26/58,165.02 = 13,819.68/x
  3. Step 3: Cross multiply
    38,786.26x = 58,165.02 × 13,819.68
  4. Step 4: Simplify right side
    38,786.26x = 803,821,963.59
  5. Step 5: Solve for x
    x = 803,821,963.59/38,786.26
  6. Step 6: Final answer
    x = 20,724.40

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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.