Home / 25,908.90-35,751.51-15,839.70

Finding the Fourth Proportional to 25,908.90, 35,751.51 and 15,839.70

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Solution

The fourth proportional to 25,908.90, 35,751.51 and 15,839.70 is: 21,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.90 : 35,751.51 = 15,839.70 : x
  2. Step 2: Convert to fraction form
    25,908.90/35,751.51 = 15,839.70/x
  3. Step 3: Cross multiply
    25,908.90x = 35,751.51 × 15,839.70
  4. Step 4: Simplify right side
    25,908.90x = 566,293,192.95
  5. Step 5: Solve for x
    x = 566,293,192.95/25,908.90
  6. Step 6: Final answer
    x = 21,857.09

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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.