Home / 17,154.54-23,725.44-15,385.50

Finding the Fourth Proportional to 17,154.54, 23,725.44 and 15,385.50

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Solution

The fourth proportional to 17,154.54, 23,725.44 and 15,385.50 is: 21,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.54 : 23,725.44 = 15,385.50 : x
  2. Step 2: Convert to fraction form
    17,154.54/23,725.44 = 15,385.50/x
  3. Step 3: Cross multiply
    17,154.54x = 23,725.44 × 15,385.50
  4. Step 4: Simplify right side
    17,154.54x = 365,027,757.12
  5. Step 5: Solve for x
    x = 365,027,757.12/17,154.54
  6. Step 6: Final answer
    x = 21,278.78

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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.