Home / 25,504.59-38,261.75-9,921

Finding the Fourth Proportional to 25,504.59, 38,261.75 and 9,921

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Solution

The fourth proportional to 25,504.59, 38,261.75 and 9,921 is: 14,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.59 : 38,261.75 = 9,921 : x
  2. Step 2: Convert to fraction form
    25,504.59/38,261.75 = 9,921/x
  3. Step 3: Cross multiply
    25,504.59x = 38,261.75 × 9,921
  4. Step 4: Simplify right side
    25,504.59x = 379,594,821.75
  5. Step 5: Solve for x
    x = 379,594,821.75/25,504.59
  6. Step 6: Final answer
    x = 14,883.39

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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.