Home / 27,338.44-37,730.64-15,404.12

Finding the Fourth Proportional to 27,338.44, 37,730.64 and 15,404.12

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Solution

The fourth proportional to 27,338.44, 37,730.64 and 15,404.12 is: 21,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.44 : 37,730.64 = 15,404.12 : x
  2. Step 2: Convert to fraction form
    27,338.44/37,730.64 = 15,404.12/x
  3. Step 3: Cross multiply
    27,338.44x = 37,730.64 × 15,404.12
  4. Step 4: Simplify right side
    27,338.44x = 581,207,306.24
  5. Step 5: Solve for x
    x = 581,207,306.24/27,338.44
  6. Step 6: Final answer
    x = 21,259.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.