Home / 25,949.21-38,915.61-9,308.87

Finding the Fourth Proportional to 25,949.21, 38,915.61 and 9,308.87

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Solution

The fourth proportional to 25,949.21, 38,915.61 and 9,308.87 is: 13,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.21 : 38,915.61 = 9,308.87 : x
  2. Step 2: Convert to fraction form
    25,949.21/38,915.61 = 9,308.87/x
  3. Step 3: Cross multiply
    25,949.21x = 38,915.61 × 9,308.87
  4. Step 4: Simplify right side
    25,949.21x = 362,260,568.35
  5. Step 5: Solve for x
    x = 362,260,568.35/25,949.21
  6. Step 6: Final answer
    x = 13,960.37

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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.