Home / 28,731.96-43,097.58-11,214.09

Finding the Fourth Proportional to 28,731.96, 43,097.58 and 11,214.09

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Solution

The fourth proportional to 28,731.96, 43,097.58 and 11,214.09 is: 16,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.96 : 43,097.58 = 11,214.09 : x
  2. Step 2: Convert to fraction form
    28,731.96/43,097.58 = 11,214.09/x
  3. Step 3: Cross multiply
    28,731.96x = 43,097.58 × 11,214.09
  4. Step 4: Simplify right side
    28,731.96x = 483,300,140.90
  5. Step 5: Solve for x
    x = 483,300,140.90/28,731.96
  6. Step 6: Final answer
    x = 16,820.99

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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.