Home / 20,204.88-27,880.84-14,902.60

Finding the Fourth Proportional to 20,204.88, 27,880.84 and 14,902.60

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Solution

The fourth proportional to 20,204.88, 27,880.84 and 14,902.60 is: 20,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.88 : 27,880.84 = 14,902.60 : x
  2. Step 2: Convert to fraction form
    20,204.88/27,880.84 = 14,902.60/x
  3. Step 3: Cross multiply
    20,204.88x = 27,880.84 × 14,902.60
  4. Step 4: Simplify right side
    20,204.88x = 415,497,006.18
  5. Step 5: Solve for x
    x = 415,497,006.18/20,204.88
  6. Step 6: Final answer
    x = 20,564.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.