Home / 28,736.91-43,101.72-21,352.14

Finding the Fourth Proportional to 28,736.91, 43,101.72 and 21,352.14

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Solution

The fourth proportional to 28,736.91, 43,101.72 and 21,352.14 is: 32,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.91 : 43,101.72 = 21,352.14 : x
  2. Step 2: Convert to fraction form
    28,736.91/43,101.72 = 21,352.14/x
  3. Step 3: Cross multiply
    28,736.91x = 43,101.72 × 21,352.14
  4. Step 4: Simplify right side
    28,736.91x = 920,313,959.68
  5. Step 5: Solve for x
    x = 920,313,959.68/28,736.91
  6. Step 6: Final answer
    x = 32,025.50

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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.