Home / 27,066.56-37,358.62-21,667.91

Finding the Fourth Proportional to 27,066.56, 37,358.62 and 21,667.91

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Solution

The fourth proportional to 27,066.56, 37,358.62 and 21,667.91 is: 29,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.56 : 37,358.62 = 21,667.91 : x
  2. Step 2: Convert to fraction form
    27,066.56/37,358.62 = 21,667.91/x
  3. Step 3: Cross multiply
    27,066.56x = 37,358.62 × 21,667.91
  4. Step 4: Simplify right side
    27,066.56x = 809,482,974.92
  5. Step 5: Solve for x
    x = 809,482,974.92/27,066.56
  6. Step 6: Final answer
    x = 29,907.13

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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.