Home / 27,445.15-37,875.05-15,508.24

Finding the Fourth Proportional to 27,445.15, 37,875.05 and 15,508.24

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Solution

The fourth proportional to 27,445.15, 37,875.05 and 15,508.24 is: 21,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.15 : 37,875.05 = 15,508.24 : x
  2. Step 2: Convert to fraction form
    27,445.15/37,875.05 = 15,508.24/x
  3. Step 3: Cross multiply
    27,445.15x = 37,875.05 × 15,508.24
  4. Step 4: Simplify right side
    27,445.15x = 587,375,365.41
  5. Step 5: Solve for x
    x = 587,375,365.41/27,445.15
  6. Step 6: Final answer
    x = 21,401.79

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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.