Home / 25,422.96-38,134.32-6,447.60

Finding the Fourth Proportional to 25,422.96, 38,134.32 and 6,447.60

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Solution

The fourth proportional to 25,422.96, 38,134.32 and 6,447.60 is: 9,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.96 : 38,134.32 = 6,447.60 : x
  2. Step 2: Convert to fraction form
    25,422.96/38,134.32 = 6,447.60/x
  3. Step 3: Cross multiply
    25,422.96x = 38,134.32 × 6,447.60
  4. Step 4: Simplify right side
    25,422.96x = 245,874,841.63
  5. Step 5: Solve for x
    x = 245,874,841.63/25,422.96
  6. Step 6: Final answer
    x = 9,671.37

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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.