Home / 27,699.84-41,526-18,908.64

Finding the Fourth Proportional to 27,699.84, 41,526 and 18,908.64

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Solution

The fourth proportional to 27,699.84, 41,526 and 18,908.64 is: 28,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.84 : 41,526 = 18,908.64 : x
  2. Step 2: Convert to fraction form
    27,699.84/41,526 = 18,908.64/x
  3. Step 3: Cross multiply
    27,699.84x = 41,526 × 18,908.64
  4. Step 4: Simplify right side
    27,699.84x = 785,200,184.64
  5. Step 5: Solve for x
    x = 785,200,184.64/27,699.84
  6. Step 6: Final answer
    x = 28,346.74

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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.