Home / 27,627.20-41,436.40-9,159.20

Finding the Fourth Proportional to 27,627.20, 41,436.40 and 9,159.20

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Solution

The fourth proportional to 27,627.20, 41,436.40 and 9,159.20 is: 13,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627.20 : 41,436.40 = 9,159.20 : x
  2. Step 2: Convert to fraction form
    27,627.20/41,436.40 = 9,159.20/x
  3. Step 3: Cross multiply
    27,627.20x = 41,436.40 × 9,159.20
  4. Step 4: Simplify right side
    27,627.20x = 379,524,274.88
  5. Step 5: Solve for x
    x = 379,524,274.88/27,627.20
  6. Step 6: Final answer
    x = 13,737.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.