Home / 25,476.12-38,179.43-9,672.69

Finding the Fourth Proportional to 25,476.12, 38,179.43 and 9,672.69

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Solution

The fourth proportional to 25,476.12, 38,179.43 and 9,672.69 is: 14,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.12 : 38,179.43 = 9,672.69 : x
  2. Step 2: Convert to fraction form
    25,476.12/38,179.43 = 9,672.69/x
  3. Step 3: Cross multiply
    25,476.12x = 38,179.43 × 9,672.69
  4. Step 4: Simplify right side
    25,476.12x = 369,297,575.69
  5. Step 5: Solve for x
    x = 369,297,575.69/25,476.12
  6. Step 6: Final answer
    x = 14,495.83

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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.