Home / 27,445.24-37,874.04-15,508.20

Finding the Fourth Proportional to 27,445.24, 37,874.04 and 15,508.20

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Solution

The fourth proportional to 27,445.24, 37,874.04 and 15,508.20 is: 21,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.24 : 37,874.04 = 15,508.20 : x
  2. Step 2: Convert to fraction form
    27,445.24/37,874.04 = 15,508.20/x
  3. Step 3: Cross multiply
    27,445.24x = 37,874.04 × 15,508.20
  4. Step 4: Simplify right side
    27,445.24x = 587,358,187.13
  5. Step 5: Solve for x
    x = 587,358,187.13/27,445.24
  6. Step 6: Final answer
    x = 21,401.09

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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.