Home / 25,399.58-38,105.51-7,630.20

Finding the Fourth Proportional to 25,399.58, 38,105.51 and 7,630.20

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Solution

The fourth proportional to 25,399.58, 38,105.51 and 7,630.20 is: 11,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.58 : 38,105.51 = 7,630.20 : x
  2. Step 2: Convert to fraction form
    25,399.58/38,105.51 = 7,630.20/x
  3. Step 3: Cross multiply
    25,399.58x = 38,105.51 × 7,630.20
  4. Step 4: Simplify right side
    25,399.58x = 290,752,624.25
  5. Step 5: Solve for x
    x = 290,752,624.25/25,399.58
  6. Step 6: Final answer
    x = 11,447.15

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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.