Home / 27,216.88-40,841.08-11,420.50

Finding the Fourth Proportional to 27,216.88, 40,841.08 and 11,420.50

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Solution

The fourth proportional to 27,216.88, 40,841.08 and 11,420.50 is: 17,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.88 : 40,841.08 = 11,420.50 : x
  2. Step 2: Convert to fraction form
    27,216.88/40,841.08 = 11,420.50/x
  3. Step 3: Cross multiply
    27,216.88x = 40,841.08 × 11,420.50
  4. Step 4: Simplify right side
    27,216.88x = 466,425,554.14
  5. Step 5: Solve for x
    x = 466,425,554.14/27,216.88
  6. Step 6: Final answer
    x = 17,137.36

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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.