Home / 25,960.68-38,915.14-10,971.58

Finding the Fourth Proportional to 25,960.68, 38,915.14 and 10,971.58

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Solution

The fourth proportional to 25,960.68, 38,915.14 and 10,971.58 is: 16,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,960.68 : 38,915.14 = 10,971.58 : x
  2. Step 2: Convert to fraction form
    25,960.68/38,915.14 = 10,971.58/x
  3. Step 3: Cross multiply
    25,960.68x = 38,915.14 × 10,971.58
  4. Step 4: Simplify right side
    25,960.68x = 426,960,571.72
  5. Step 5: Solve for x
    x = 426,960,571.72/25,960.68
  6. Step 6: Final answer
    x = 16,446.43

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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.