Home / 25,799.78-35,604.09-15,044.36

Finding the Fourth Proportional to 25,799.78, 35,604.09 and 15,044.36

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Solution

The fourth proportional to 25,799.78, 35,604.09 and 15,044.36 is: 20,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.78 : 35,604.09 = 15,044.36 : x
  2. Step 2: Convert to fraction form
    25,799.78/35,604.09 = 15,044.36/x
  3. Step 3: Cross multiply
    25,799.78x = 35,604.09 × 15,044.36
  4. Step 4: Simplify right side
    25,799.78x = 535,640,747.43
  5. Step 5: Solve for x
    x = 535,640,747.43/25,799.78
  6. Step 6: Final answer
    x = 20,761.45

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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.