Home / 25,481.30-35,154.54-18,782.96

Finding the Fourth Proportional to 25,481.30, 35,154.54 and 18,782.96

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Solution

The fourth proportional to 25,481.30, 35,154.54 and 18,782.96 is: 25,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.30 : 35,154.54 = 18,782.96 : x
  2. Step 2: Convert to fraction form
    25,481.30/35,154.54 = 18,782.96/x
  3. Step 3: Cross multiply
    25,481.30x = 35,154.54 × 18,782.96
  4. Step 4: Simplify right side
    25,481.30x = 660,306,318.64
  5. Step 5: Solve for x
    x = 660,306,318.64/25,481.30
  6. Step 6: Final answer
    x = 25,913.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.