Home / 27,054.28-40,559.57-11,271.20

Finding the Fourth Proportional to 27,054.28, 40,559.57 and 11,271.20

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Solution

The fourth proportional to 27,054.28, 40,559.57 and 11,271.20 is: 16,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,054.28 : 40,559.57 = 11,271.20 : x
  2. Step 2: Convert to fraction form
    27,054.28/40,559.57 = 11,271.20/x
  3. Step 3: Cross multiply
    27,054.28x = 40,559.57 × 11,271.20
  4. Step 4: Simplify right side
    27,054.28x = 457,155,025.38
  5. Step 5: Solve for x
    x = 457,155,025.38/27,054.28
  6. Step 6: Final answer
    x = 16,897.70

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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.