Home / 25,631.48-35,318.94-18,906.45

Finding the Fourth Proportional to 25,631.48, 35,318.94 and 18,906.45

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Solution

The fourth proportional to 25,631.48, 35,318.94 and 18,906.45 is: 26,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.48 : 35,318.94 = 18,906.45 : x
  2. Step 2: Convert to fraction form
    25,631.48/35,318.94 = 18,906.45/x
  3. Step 3: Cross multiply
    25,631.48x = 35,318.94 × 18,906.45
  4. Step 4: Simplify right side
    25,631.48x = 667,755,773.16
  5. Step 5: Solve for x
    x = 667,755,773.16/25,631.48
  6. Step 6: Final answer
    x = 26,052.18

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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.