Home / 27,062.20-40,599.45-12,275.35

Finding the Fourth Proportional to 27,062.20, 40,599.45 and 12,275.35

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Solution

The fourth proportional to 27,062.20, 40,599.45 and 12,275.35 is: 18,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.20 : 40,599.45 = 12,275.35 : x
  2. Step 2: Convert to fraction form
    27,062.20/40,599.45 = 12,275.35/x
  3. Step 3: Cross multiply
    27,062.20x = 40,599.45 × 12,275.35
  4. Step 4: Simplify right side
    27,062.20x = 498,372,224.87
  5. Step 5: Solve for x
    x = 498,372,224.87/27,062.20
  6. Step 6: Final answer
    x = 18,415.81

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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.