Home / 27,725.52-38,251.62-21,697.50

Finding the Fourth Proportional to 27,725.52, 38,251.62 and 21,697.50

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Solution

The fourth proportional to 27,725.52, 38,251.62 and 21,697.50 is: 29,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.52 : 38,251.62 = 21,697.50 : x
  2. Step 2: Convert to fraction form
    27,725.52/38,251.62 = 21,697.50/x
  3. Step 3: Cross multiply
    27,725.52x = 38,251.62 × 21,697.50
  4. Step 4: Simplify right side
    27,725.52x = 829,964,524.95
  5. Step 5: Solve for x
    x = 829,964,524.95/27,725.52
  6. Step 6: Final answer
    x = 29,935.04

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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.