Home / 27,188.52-37,520.24-15,865.80

Finding the Fourth Proportional to 27,188.52, 37,520.24 and 15,865.80

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Solution

The fourth proportional to 27,188.52, 37,520.24 and 15,865.80 is: 21,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.52 : 37,520.24 = 15,865.80 : x
  2. Step 2: Convert to fraction form
    27,188.52/37,520.24 = 15,865.80/x
  3. Step 3: Cross multiply
    27,188.52x = 37,520.24 × 15,865.80
  4. Step 4: Simplify right side
    27,188.52x = 595,288,623.79
  5. Step 5: Solve for x
    x = 595,288,623.79/27,188.52
  6. Step 6: Final answer
    x = 21,894.85

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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.