Home / 27,951.48-38,573.80-15,205.52

Finding the Fourth Proportional to 27,951.48, 38,573.80 and 15,205.52

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Solution

The fourth proportional to 27,951.48, 38,573.80 and 15,205.52 is: 20,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.48 : 38,573.80 = 15,205.52 : x
  2. Step 2: Convert to fraction form
    27,951.48/38,573.80 = 15,205.52/x
  3. Step 3: Cross multiply
    27,951.48x = 38,573.80 × 15,205.52
  4. Step 4: Simplify right side
    27,951.48x = 586,534,687.38
  5. Step 5: Solve for x
    x = 586,534,687.38/27,951.48
  6. Step 6: Final answer
    x = 20,984.03

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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.