Home / 103,727.25-155,591.03-28,847.40

Finding the Fourth Proportional to 103,727.25, 155,591.03 and 28,847.40

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Solution

The fourth proportional to 103,727.25, 155,591.03 and 28,847.40 is: 43,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,727.25 : 155,591.03 = 28,847.40 : x
  2. Step 2: Convert to fraction form
    103,727.25/155,591.03 = 28,847.40/x
  3. Step 3: Cross multiply
    103,727.25x = 155,591.03 × 28,847.40
  4. Step 4: Simplify right side
    103,727.25x = 4,488,396,534.59
  5. Step 5: Solve for x
    x = 4,488,396,534.59/103,727.25
  6. Step 6: Final answer
    x = 43,271.14

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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.