Home / 43,724.20-65,659.20-28,998.40

Finding the Fourth Proportional to 43,724.20, 65,659.20 and 28,998.40

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Solution

The fourth proportional to 43,724.20, 65,659.20 and 28,998.40 is: 43,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,724.20 : 65,659.20 = 28,998.40 : x
  2. Step 2: Convert to fraction form
    43,724.20/65,659.20 = 28,998.40/x
  3. Step 3: Cross multiply
    43,724.20x = 65,659.20 × 28,998.40
  4. Step 4: Simplify right side
    43,724.20x = 1,904,011,745.28
  5. Step 5: Solve for x
    x = 1,904,011,745.28/43,724.20
  6. Step 6: Final answer
    x = 43,545.95

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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.