Home / 43,137.28-64,722.39-16,860.34

Finding the Fourth Proportional to 43,137.28, 64,722.39 and 16,860.34

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Solution

The fourth proportional to 43,137.28, 64,722.39 and 16,860.34 is: 25,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.28 : 64,722.39 = 16,860.34 : x
  2. Step 2: Convert to fraction form
    43,137.28/64,722.39 = 16,860.34/x
  3. Step 3: Cross multiply
    43,137.28x = 64,722.39 × 16,860.34
  4. Step 4: Simplify right side
    43,137.28x = 1,091,241,501.01
  5. Step 5: Solve for x
    x = 1,091,241,501.01/43,137.28
  6. Step 6: Final answer
    x = 25,296.95

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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.