Home / 28,785.44-43,097.50-21,743.30

Finding the Fourth Proportional to 28,785.44, 43,097.50 and 21,743.30

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Solution

The fourth proportional to 28,785.44, 43,097.50 and 21,743.30 is: 32,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.44 : 43,097.50 = 21,743.30 : x
  2. Step 2: Convert to fraction form
    28,785.44/43,097.50 = 21,743.30/x
  3. Step 3: Cross multiply
    28,785.44x = 43,097.50 × 21,743.30
  4. Step 4: Simplify right side
    28,785.44x = 937,081,871.75
  5. Step 5: Solve for x
    x = 937,081,871.75/28,785.44
  6. Step 6: Final answer
    x = 32,554.02

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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.