Home / 27,445.50-37,876.44-15,508.56

Finding the Fourth Proportional to 27,445.50, 37,876.44 and 15,508.56

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Solution

The fourth proportional to 27,445.50, 37,876.44 and 15,508.56 is: 21,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.50 : 37,876.44 = 15,508.56 : x
  2. Step 2: Convert to fraction form
    27,445.50/37,876.44 = 15,508.56/x
  3. Step 3: Cross multiply
    27,445.50x = 37,876.44 × 15,508.56
  4. Step 4: Simplify right side
    27,445.50x = 587,409,042.33
  5. Step 5: Solve for x
    x = 587,409,042.33/27,445.50
  6. Step 6: Final answer
    x = 21,402.75

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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.