Home / 25,620.68-38,436.12-10,829.48

Finding the Fourth Proportional to 25,620.68, 38,436.12 and 10,829.48

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Solution

The fourth proportional to 25,620.68, 38,436.12 and 10,829.48 is: 16,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.68 : 38,436.12 = 10,829.48 : x
  2. Step 2: Convert to fraction form
    25,620.68/38,436.12 = 10,829.48/x
  3. Step 3: Cross multiply
    25,620.68x = 38,436.12 × 10,829.48
  4. Step 4: Simplify right side
    25,620.68x = 416,243,192.82
  5. Step 5: Solve for x
    x = 416,243,192.82/25,620.68
  6. Step 6: Final answer
    x = 16,246.38

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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.