Home / 25,253.12-34,849.12-13,922.24

Finding the Fourth Proportional to 25,253.12, 34,849.12 and 13,922.24

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Solution

The fourth proportional to 25,253.12, 34,849.12 and 13,922.24 is: 19,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,253.12 : 34,849.12 = 13,922.24 : x
  2. Step 2: Convert to fraction form
    25,253.12/34,849.12 = 13,922.24/x
  3. Step 3: Cross multiply
    25,253.12x = 34,849.12 × 13,922.24
  4. Step 4: Simplify right side
    25,253.12x = 485,177,812.43
  5. Step 5: Solve for x
    x = 485,177,812.43/25,253.12
  6. Step 6: Final answer
    x = 19,212.59

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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.