Home / 43,286.10-64,958.32-16,987.74

Finding the Fourth Proportional to 43,286.10, 64,958.32 and 16,987.74

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Solution

The fourth proportional to 43,286.10, 64,958.32 and 16,987.74 is: 25,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.10 : 64,958.32 = 16,987.74 : x
  2. Step 2: Convert to fraction form
    43,286.10/64,958.32 = 16,987.74/x
  3. Step 3: Cross multiply
    43,286.10x = 64,958.32 × 16,987.74
  4. Step 4: Simplify right side
    43,286.10x = 1,103,495,051.00
  5. Step 5: Solve for x
    x = 1,103,495,051.00/43,286.10
  6. Step 6: Final answer
    x = 25,493.06

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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.