Home / 27,445.77-37,874.66-15,508.85

Finding the Fourth Proportional to 27,445.77, 37,874.66 and 15,508.85

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Solution

The fourth proportional to 27,445.77, 37,874.66 and 15,508.85 is: 21,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.77 : 37,874.66 = 15,508.85 : x
  2. Step 2: Convert to fraction form
    27,445.77/37,874.66 = 15,508.85/x
  3. Step 3: Cross multiply
    27,445.77x = 37,874.66 × 15,508.85
  4. Step 4: Simplify right side
    27,445.77x = 587,392,420.74
  5. Step 5: Solve for x
    x = 587,392,420.74/27,445.77
  6. Step 6: Final answer
    x = 21,401.93

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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.