Home / 27,149.52-37,427.79-19,966.74

Finding the Fourth Proportional to 27,149.52, 37,427.79 and 19,966.74

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Solution

The fourth proportional to 27,149.52, 37,427.79 and 19,966.74 is: 27,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.52 : 37,427.79 = 19,966.74 : x
  2. Step 2: Convert to fraction form
    27,149.52/37,427.79 = 19,966.74/x
  3. Step 3: Cross multiply
    27,149.52x = 37,427.79 × 19,966.74
  4. Step 4: Simplify right side
    27,149.52x = 747,310,951.70
  5. Step 5: Solve for x
    x = 747,310,951.70/27,149.52
  6. Step 6: Final answer
    x = 27,525.75

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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.