Home / 25,531.46-38,276.54-11,481.20

Finding the Fourth Proportional to 25,531.46, 38,276.54 and 11,481.20

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Solution

The fourth proportional to 25,531.46, 38,276.54 and 11,481.20 is: 17,212.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.46 : 38,276.54 = 11,481.20 : x
  2. Step 2: Convert to fraction form
    25,531.46/38,276.54 = 11,481.20/x
  3. Step 3: Cross multiply
    25,531.46x = 38,276.54 × 11,481.20
  4. Step 4: Simplify right side
    25,531.46x = 439,460,553.64
  5. Step 5: Solve for x
    x = 439,460,553.64/25,531.46
  6. Step 6: Final answer
    x = 17,212.51

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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.