Home / 25,278.84-34,884.48-13,793.76

Finding the Fourth Proportional to 25,278.84, 34,884.48 and 13,793.76

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Solution

The fourth proportional to 25,278.84, 34,884.48 and 13,793.76 is: 19,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.84 : 34,884.48 = 13,793.76 : x
  2. Step 2: Convert to fraction form
    25,278.84/34,884.48 = 13,793.76/x
  3. Step 3: Cross multiply
    25,278.84x = 34,884.48 × 13,793.76
  4. Step 4: Simplify right side
    25,278.84x = 481,188,144.84
  5. Step 5: Solve for x
    x = 481,188,144.84/25,278.84
  6. Step 6: Final answer
    x = 19,035.21

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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.