Home / 27,271.58-40,907.88-8,551.20

Finding the Fourth Proportional to 27,271.58, 40,907.88 and 8,551.20

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Solution

The fourth proportional to 27,271.58, 40,907.88 and 8,551.20 is: 12,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.58 : 40,907.88 = 8,551.20 : x
  2. Step 2: Convert to fraction form
    27,271.58/40,907.88 = 8,551.20/x
  3. Step 3: Cross multiply
    27,271.58x = 40,907.88 × 8,551.20
  4. Step 4: Simplify right side
    27,271.58x = 349,811,463.46
  5. Step 5: Solve for x
    x = 349,811,463.46/27,271.58
  6. Step 6: Final answer
    x = 12,826.96

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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.