Home / 27,622.89-38,107.44-18,667.13

Finding the Fourth Proportional to 27,622.89, 38,107.44 and 18,667.13

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Solution

The fourth proportional to 27,622.89, 38,107.44 and 18,667.13 is: 25,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.89 : 38,107.44 = 18,667.13 : x
  2. Step 2: Convert to fraction form
    27,622.89/38,107.44 = 18,667.13/x
  3. Step 3: Cross multiply
    27,622.89x = 38,107.44 × 18,667.13
  4. Step 4: Simplify right side
    27,622.89x = 711,356,345.91
  5. Step 5: Solve for x
    x = 711,356,345.91/27,622.89
  6. Step 6: Final answer
    x = 25,752.42

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Half scale
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Double scale
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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.