Home / 25,504.61-35,198.01-15,433.47

Finding the Fourth Proportional to 25,504.61, 35,198.01 and 15,433.47

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Solution

The fourth proportional to 25,504.61, 35,198.01 and 15,433.47 is: 21,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.61 : 35,198.01 = 15,433.47 : x
  2. Step 2: Convert to fraction form
    25,504.61/35,198.01 = 15,433.47/x
  3. Step 3: Cross multiply
    25,504.61x = 35,198.01 × 15,433.47
  4. Step 4: Simplify right side
    25,504.61x = 543,227,431.39
  5. Step 5: Solve for x
    x = 543,227,431.39/25,504.61
  6. Step 6: Final answer
    x = 21,299.19

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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.