Home / 27,446.77-37,876.05-15,509.85

Finding the Fourth Proportional to 27,446.77, 37,876.05 and 15,509.85

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Solution

The fourth proportional to 27,446.77, 37,876.05 and 15,509.85 is: 21,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,446.77 : 37,876.05 = 15,509.85 : x
  2. Step 2: Convert to fraction form
    27,446.77/37,876.05 = 15,509.85/x
  3. Step 3: Cross multiply
    27,446.77x = 37,876.05 × 15,509.85
  4. Step 4: Simplify right side
    27,446.77x = 587,451,776.54
  5. Step 5: Solve for x
    x = 587,451,776.54/27,446.77
  6. Step 6: Final answer
    x = 21,403.31

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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.