Home / 27,321.79-37,704.70-15,223.07

Finding the Fourth Proportional to 27,321.79, 37,704.70 and 15,223.07

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Solution

The fourth proportional to 27,321.79, 37,704.70 and 15,223.07 is: 21,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.79 : 37,704.70 = 15,223.07 : x
  2. Step 2: Convert to fraction form
    27,321.79/37,704.70 = 15,223.07/x
  3. Step 3: Cross multiply
    27,321.79x = 37,704.70 × 15,223.07
  4. Step 4: Simplify right side
    27,321.79x = 573,981,287.43
  5. Step 5: Solve for x
    x = 573,981,287.43/27,321.79
  6. Step 6: Final answer
    x = 21,008.19

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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.