Home / 28,759.57-43,099.50-21,733.84

Finding the Fourth Proportional to 28,759.57, 43,099.50 and 21,733.84

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Solution

The fourth proportional to 28,759.57, 43,099.50 and 21,733.84 is: 32,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.57 : 43,099.50 = 21,733.84 : x
  2. Step 2: Convert to fraction form
    28,759.57/43,099.50 = 21,733.84/x
  3. Step 3: Cross multiply
    28,759.57x = 43,099.50 × 21,733.84
  4. Step 4: Simplify right side
    28,759.57x = 936,717,637.08
  5. Step 5: Solve for x
    x = 936,717,637.08/28,759.57
  6. Step 6: Final answer
    x = 32,570.64

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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.