Home / 43,382.88-64,951.30-28,407.48

Finding the Fourth Proportional to 43,382.88, 64,951.30 and 28,407.48

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Solution

The fourth proportional to 43,382.88, 64,951.30 and 28,407.48 is: 42,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.88 : 64,951.30 = 28,407.48 : x
  2. Step 2: Convert to fraction form
    43,382.88/64,951.30 = 28,407.48/x
  3. Step 3: Cross multiply
    43,382.88x = 64,951.30 × 28,407.48
  4. Step 4: Simplify right side
    43,382.88x = 1,845,102,755.72
  5. Step 5: Solve for x
    x = 1,845,102,755.72/43,382.88
  6. Step 6: Final answer
    x = 42,530.67

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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.