Home / 27,218.50-40,830.33-10,579.82

Finding the Fourth Proportional to 27,218.50, 40,830.33 and 10,579.82

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Solution

The fourth proportional to 27,218.50, 40,830.33 and 10,579.82 is: 15,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.50 : 40,830.33 = 10,579.82 : x
  2. Step 2: Convert to fraction form
    27,218.50/40,830.33 = 10,579.82/x
  3. Step 3: Cross multiply
    27,218.50x = 40,830.33 × 10,579.82
  4. Step 4: Simplify right side
    27,218.50x = 431,977,541.94
  5. Step 5: Solve for x
    x = 431,977,541.94/27,218.50
  6. Step 6: Final answer
    x = 15,870.73

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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.