Home / 25,128.05-37,696.17-8,489.09

Finding the Fourth Proportional to 25,128.05, 37,696.17 and 8,489.09

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Solution

The fourth proportional to 25,128.05, 37,696.17 and 8,489.09 is: 12,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.05 : 37,696.17 = 8,489.09 : x
  2. Step 2: Convert to fraction form
    25,128.05/37,696.17 = 8,489.09/x
  3. Step 3: Cross multiply
    25,128.05x = 37,696.17 × 8,489.09
  4. Step 4: Simplify right side
    25,128.05x = 320,005,991.30
  5. Step 5: Solve for x
    x = 320,005,991.30/25,128.05
  6. Step 6: Final answer
    x = 12,735.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.