Home / 25,821.21-35,631.81-14,489.64

Finding the Fourth Proportional to 25,821.21, 35,631.81 and 14,489.64

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Solution

The fourth proportional to 25,821.21, 35,631.81 and 14,489.64 is: 19,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.21 : 35,631.81 = 14,489.64 : x
  2. Step 2: Convert to fraction form
    25,821.21/35,631.81 = 14,489.64/x
  3. Step 3: Cross multiply
    25,821.21x = 35,631.81 × 14,489.64
  4. Step 4: Simplify right side
    25,821.21x = 516,292,099.45
  5. Step 5: Solve for x
    x = 516,292,099.45/25,821.21
  6. Step 6: Final answer
    x = 19,994.88

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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.