Home / 25,687.82-35,431.70-22,324.91

Finding the Fourth Proportional to 25,687.82, 35,431.70 and 22,324.91

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Solution

The fourth proportional to 25,687.82, 35,431.70 and 22,324.91 is: 30,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.82 : 35,431.70 = 22,324.91 : x
  2. Step 2: Convert to fraction form
    25,687.82/35,431.70 = 22,324.91/x
  3. Step 3: Cross multiply
    25,687.82x = 35,431.70 × 22,324.91
  4. Step 4: Simplify right side
    25,687.82x = 791,009,224.86
  5. Step 5: Solve for x
    x = 791,009,224.86/25,687.82
  6. Step 6: Final answer
    x = 30,793.16

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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.