Home / 27,218.38-40,830.14-10,579.68

Finding the Fourth Proportional to 27,218.38, 40,830.14 and 10,579.68

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Solution

The fourth proportional to 27,218.38, 40,830.14 and 10,579.68 is: 15,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.38 : 40,830.14 = 10,579.68 : x
  2. Step 2: Convert to fraction form
    27,218.38/40,830.14 = 10,579.68/x
  3. Step 3: Cross multiply
    27,218.38x = 40,830.14 × 10,579.68
  4. Step 4: Simplify right side
    27,218.38x = 431,969,815.56
  5. Step 5: Solve for x
    x = 431,969,815.56/27,218.38
  6. Step 6: Final answer
    x = 15,870.52

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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.