Home / 25,904.28-38,860.26-9,487

Finding the Fourth Proportional to 25,904.28, 38,860.26 and 9,487

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Solution

The fourth proportional to 25,904.28, 38,860.26 and 9,487 is: 14,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.28 : 38,860.26 = 9,487 : x
  2. Step 2: Convert to fraction form
    25,904.28/38,860.26 = 9,487/x
  3. Step 3: Cross multiply
    25,904.28x = 38,860.26 × 9,487
  4. Step 4: Simplify right side
    25,904.28x = 368,667,286.62
  5. Step 5: Solve for x
    x = 368,667,286.62/25,904.28
  6. Step 6: Final answer
    x = 14,231.91

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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.