Home / 27,922.90-38,533.17-15,347.38

Finding the Fourth Proportional to 27,922.90, 38,533.17 and 15,347.38

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Solution

The fourth proportional to 27,922.90, 38,533.17 and 15,347.38 is: 21,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.90 : 38,533.17 = 15,347.38 : x
  2. Step 2: Convert to fraction form
    27,922.90/38,533.17 = 15,347.38/x
  3. Step 3: Cross multiply
    27,922.90x = 38,533.17 × 15,347.38
  4. Step 4: Simplify right side
    27,922.90x = 591,383,202.59
  5. Step 5: Solve for x
    x = 591,383,202.59/27,922.90
  6. Step 6: Final answer
    x = 21,179.15

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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.