Home / 27,627.90-38,126.46-15,052.68

Finding the Fourth Proportional to 27,627.90, 38,126.46 and 15,052.68

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Solution

The fourth proportional to 27,627.90, 38,126.46 and 15,052.68 is: 20,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627.90 : 38,126.46 = 15,052.68 : x
  2. Step 2: Convert to fraction form
    27,627.90/38,126.46 = 15,052.68/x
  3. Step 3: Cross multiply
    27,627.90x = 38,126.46 × 15,052.68
  4. Step 4: Simplify right side
    27,627.90x = 573,905,401.91
  5. Step 5: Solve for x
    x = 573,905,401.91/27,627.90
  6. Step 6: Final answer
    x = 20,772.68

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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.