Home / 27,329.74-37,676.55-20,622.94

Finding the Fourth Proportional to 27,329.74, 37,676.55 and 20,622.94

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Solution

The fourth proportional to 27,329.74, 37,676.55 and 20,622.94 is: 28,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.74 : 37,676.55 = 20,622.94 : x
  2. Step 2: Convert to fraction form
    27,329.74/37,676.55 = 20,622.94/x
  3. Step 3: Cross multiply
    27,329.74x = 37,676.55 × 20,622.94
  4. Step 4: Simplify right side
    27,329.74x = 777,001,230.06
  5. Step 5: Solve for x
    x = 777,001,230.06/27,329.74
  6. Step 6: Final answer
    x = 28,430.61

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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.