Home / 27,218.70-40,829.67-10,573.20

Finding the Fourth Proportional to 27,218.70, 40,829.67 and 10,573.20

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Solution

The fourth proportional to 27,218.70, 40,829.67 and 10,573.20 is: 15,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.70 : 40,829.67 = 10,573.20 : x
  2. Step 2: Convert to fraction form
    27,218.70/40,829.67 = 10,573.20/x
  3. Step 3: Cross multiply
    27,218.70x = 40,829.67 × 10,573.20
  4. Step 4: Simplify right side
    27,218.70x = 431,700,266.84
  5. Step 5: Solve for x
    x = 431,700,266.84/27,218.70
  6. Step 6: Final answer
    x = 15,860.43

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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.