Home / 43,723.20-65,657.70-28,997.40

Finding the Fourth Proportional to 43,723.20, 65,657.70 and 28,997.40

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Solution

The fourth proportional to 43,723.20, 65,657.70 and 28,997.40 is: 43,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.20 : 65,657.70 = 28,997.40 : x
  2. Step 2: Convert to fraction form
    43,723.20/65,657.70 = 28,997.40/x
  3. Step 3: Cross multiply
    43,723.20x = 65,657.70 × 28,997.40
  4. Step 4: Simplify right side
    43,723.20x = 1,903,902,589.98
  5. Step 5: Solve for x
    x = 1,903,902,589.98/43,723.20
  6. Step 6: Final answer
    x = 43,544.45

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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.