Home / 43,288.10-64,961.32-16,989.74

Finding the Fourth Proportional to 43,288.10, 64,961.32 and 16,989.74

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Solution

The fourth proportional to 43,288.10, 64,961.32 and 16,989.74 is: 25,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,288.10 : 64,961.32 = 16,989.74 : x
  2. Step 2: Convert to fraction form
    43,288.10/64,961.32 = 16,989.74/x
  3. Step 3: Cross multiply
    43,288.10x = 64,961.32 × 16,989.74
  4. Step 4: Simplify right side
    43,288.10x = 1,103,675,936.86
  5. Step 5: Solve for x
    x = 1,103,675,936.86/43,288.10
  6. Step 6: Final answer
    x = 25,496.06

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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.