Home / 43,164.28-64,720.44-16,881.40

Finding the Fourth Proportional to 43,164.28, 64,720.44 and 16,881.40

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Solution

The fourth proportional to 43,164.28, 64,720.44 and 16,881.40 is: 25,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.28 : 64,720.44 = 16,881.40 : x
  2. Step 2: Convert to fraction form
    43,164.28/64,720.44 = 16,881.40/x
  3. Step 3: Cross multiply
    43,164.28x = 64,720.44 × 16,881.40
  4. Step 4: Simplify right side
    43,164.28x = 1,092,571,635.82
  5. Step 5: Solve for x
    x = 1,092,571,635.82/43,164.28
  6. Step 6: Final answer
    x = 25,311.94

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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.