Home / 25,222.68-34,805.97-13,893.75

Finding the Fourth Proportional to 25,222.68, 34,805.97 and 13,893.75

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Solution

The fourth proportional to 25,222.68, 34,805.97 and 13,893.75 is: 19,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.68 : 34,805.97 = 13,893.75 : x
  2. Step 2: Convert to fraction form
    25,222.68/34,805.97 = 13,893.75/x
  3. Step 3: Cross multiply
    25,222.68x = 34,805.97 × 13,893.75
  4. Step 4: Simplify right side
    25,222.68x = 483,585,445.69
  5. Step 5: Solve for x
    x = 483,585,445.69/25,222.68
  6. Step 6: Final answer
    x = 19,172.64

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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.