Home / 27,445.32-37,874.34-15,508.44

Finding the Fourth Proportional to 27,445.32, 37,874.34 and 15,508.44

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Solution

The fourth proportional to 27,445.32, 37,874.34 and 15,508.44 is: 21,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.32 : 37,874.34 = 15,508.44 : x
  2. Step 2: Convert to fraction form
    27,445.32/37,874.34 = 15,508.44/x
  3. Step 3: Cross multiply
    27,445.32x = 37,874.34 × 15,508.44
  4. Step 4: Simplify right side
    27,445.32x = 587,371,929.43
  5. Step 5: Solve for x
    x = 587,371,929.43/27,445.32
  6. Step 6: Final answer
    x = 21,401.53

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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.