Home / 43,271.20-64,906.80-28,496.80

Finding the Fourth Proportional to 43,271.20, 64,906.80 and 28,496.80

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Solution

The fourth proportional to 43,271.20, 64,906.80 and 28,496.80 is: 42,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,271.20 : 64,906.80 = 28,496.80 : x
  2. Step 2: Convert to fraction form
    43,271.20/64,906.80 = 28,496.80/x
  3. Step 3: Cross multiply
    43,271.20x = 64,906.80 × 28,496.80
  4. Step 4: Simplify right side
    43,271.20x = 1,849,636,098.24
  5. Step 5: Solve for x
    x = 1,849,636,098.24/43,271.20
  6. Step 6: Final answer
    x = 42,745.20

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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.