Home / 43,217.84-64,811.77-15,137.28

Finding the Fourth Proportional to 43,217.84, 64,811.77 and 15,137.28

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Solution

The fourth proportional to 43,217.84, 64,811.77 and 15,137.28 is: 22,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.84 : 64,811.77 = 15,137.28 : x
  2. Step 2: Convert to fraction form
    43,217.84/64,811.77 = 15,137.28/x
  3. Step 3: Cross multiply
    43,217.84x = 64,811.77 × 15,137.28
  4. Step 4: Simplify right side
    43,217.84x = 981,073,871.94
  5. Step 5: Solve for x
    x = 981,073,871.94/43,217.84
  6. Step 6: Final answer
    x = 22,700.67

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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.