Home / 25,292.80-34,857.51-20,273.62

Finding the Fourth Proportional to 25,292.80, 34,857.51 and 20,273.62

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Solution

The fourth proportional to 25,292.80, 34,857.51 and 20,273.62 is: 27,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,292.80 : 34,857.51 = 20,273.62 : x
  2. Step 2: Convert to fraction form
    25,292.80/34,857.51 = 20,273.62/x
  3. Step 3: Cross multiply
    25,292.80x = 34,857.51 × 20,273.62
  4. Step 4: Simplify right side
    25,292.80x = 706,687,911.89
  5. Step 5: Solve for x
    x = 706,687,911.89/25,292.80
  6. Step 6: Final answer
    x = 27,940.28

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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.