Home / 43,228.56-64,840.41-15,137.76

Finding the Fourth Proportional to 43,228.56, 64,840.41 and 15,137.76

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Solution

The fourth proportional to 43,228.56, 64,840.41 and 15,137.76 is: 22,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.56 : 64,840.41 = 15,137.76 : x
  2. Step 2: Convert to fraction form
    43,228.56/64,840.41 = 15,137.76/x
  3. Step 3: Cross multiply
    43,228.56x = 64,840.41 × 15,137.76
  4. Step 4: Simplify right side
    43,228.56x = 981,538,564.88
  5. Step 5: Solve for x
    x = 981,538,564.88/43,228.56
  6. Step 6: Final answer
    x = 22,705.79

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1.5x scale

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.