Home / 25,979.52-35,842.32-21,283.68

Finding the Fourth Proportional to 25,979.52, 35,842.32 and 21,283.68

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Solution

The fourth proportional to 25,979.52, 35,842.32 and 21,283.68 is: 29,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.52 : 35,842.32 = 21,283.68 : x
  2. Step 2: Convert to fraction form
    25,979.52/35,842.32 = 21,283.68/x
  3. Step 3: Cross multiply
    25,979.52x = 35,842.32 × 21,283.68
  4. Step 4: Simplify right side
    25,979.52x = 762,856,469.34
  5. Step 5: Solve for x
    x = 762,856,469.34/25,979.52
  6. Step 6: Final answer
    x = 29,363.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.