Home / 25,929.60-38,829.60-17,116.80

Finding the Fourth Proportional to 25,929.60, 38,829.60 and 17,116.80

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Solution

The fourth proportional to 25,929.60, 38,829.60 and 17,116.80 is: 25,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.60 : 38,829.60 = 17,116.80 : x
  2. Step 2: Convert to fraction form
    25,929.60/38,829.60 = 17,116.80/x
  3. Step 3: Cross multiply
    25,929.60x = 38,829.60 × 17,116.80
  4. Step 4: Simplify right side
    25,929.60x = 664,638,497.28
  5. Step 5: Solve for x
    x = 664,638,497.28/25,929.60
  6. Step 6: Final answer
    x = 25,632.42

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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.