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Finding the Fourth Proportional to 25,908.70, 35,757.17 and 14,578.69

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Solution

The fourth proportional to 25,908.70, 35,757.17 and 14,578.69 is: 20,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.70 : 35,757.17 = 14,578.69 : x
  2. Step 2: Convert to fraction form
    25,908.70/35,757.17 = 14,578.69/x
  3. Step 3: Cross multiply
    25,908.70x = 35,757.17 × 14,578.69
  4. Step 4: Simplify right side
    25,908.70x = 521,292,696.71
  5. Step 5: Solve for x
    x = 521,292,696.71/25,908.70
  6. Step 6: Final answer
    x = 20,120.37

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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.