Home / 27,552.78-38,007.54-17,979.12

Finding the Fourth Proportional to 27,552.78, 38,007.54 and 17,979.12

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Solution

The fourth proportional to 27,552.78, 38,007.54 and 17,979.12 is: 24,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,552.78 : 38,007.54 = 17,979.12 : x
  2. Step 2: Convert to fraction form
    27,552.78/38,007.54 = 17,979.12/x
  3. Step 3: Cross multiply
    27,552.78x = 38,007.54 × 17,979.12
  4. Step 4: Simplify right side
    27,552.78x = 683,342,122.56
  5. Step 5: Solve for x
    x = 683,342,122.56/27,552.78
  6. Step 6: Final answer
    x = 24,801.20

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Half scale
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Double scale
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Similar ratio
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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.