Home / 27,801.68-38,367.24-15,227.12

Finding the Fourth Proportional to 27,801.68, 38,367.24 and 15,227.12

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Solution

The fourth proportional to 27,801.68, 38,367.24 and 15,227.12 is: 21,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.68 : 38,367.24 = 15,227.12 : x
  2. Step 2: Convert to fraction form
    27,801.68/38,367.24 = 15,227.12/x
  3. Step 3: Cross multiply
    27,801.68x = 38,367.24 × 15,227.12
  4. Step 4: Simplify right side
    27,801.68x = 584,222,567.55
  5. Step 5: Solve for x
    x = 584,222,567.55/27,801.68
  6. Step 6: Final answer
    x = 21,013.93

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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.