Home / 25,915.39-38,846.17-12,568.62

Finding the Fourth Proportional to 25,915.39, 38,846.17 and 12,568.62

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Solution

The fourth proportional to 25,915.39, 38,846.17 and 12,568.62 is: 18,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.39 : 38,846.17 = 12,568.62 : x
  2. Step 2: Convert to fraction form
    25,915.39/38,846.17 = 12,568.62/x
  3. Step 3: Cross multiply
    25,915.39x = 38,846.17 × 12,568.62
  4. Step 4: Simplify right side
    25,915.39x = 488,242,749.19
  5. Step 5: Solve for x
    x = 488,242,749.19/25,915.39
  6. Step 6: Final answer
    x = 18,839.88

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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.