Home / 25,489.40-38,236.46-9,908.20

Finding the Fourth Proportional to 25,489.40, 38,236.46 and 9,908.20

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Solution

The fourth proportional to 25,489.40, 38,236.46 and 9,908.20 is: 14,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.40 : 38,236.46 = 9,908.20 : x
  2. Step 2: Convert to fraction form
    25,489.40/38,236.46 = 9,908.20/x
  3. Step 3: Cross multiply
    25,489.40x = 38,236.46 × 9,908.20
  4. Step 4: Simplify right side
    25,489.40x = 378,854,492.97
  5. Step 5: Solve for x
    x = 378,854,492.97/25,489.40
  6. Step 6: Final answer
    x = 14,863.22

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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.