Home / 27,288.78-37,663.70-17,084.56

Finding the Fourth Proportional to 27,288.78, 37,663.70 and 17,084.56

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Solution

The fourth proportional to 27,288.78, 37,663.70 and 17,084.56 is: 23,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.78 : 37,663.70 = 17,084.56 : x
  2. Step 2: Convert to fraction form
    27,288.78/37,663.70 = 17,084.56/x
  3. Step 3: Cross multiply
    27,288.78x = 37,663.70 × 17,084.56
  4. Step 4: Simplify right side
    27,288.78x = 643,467,742.47
  5. Step 5: Solve for x
    x = 643,467,742.47/27,288.78
  6. Step 6: Final answer
    x = 23,579.94

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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.