Home / 27,900.28-38,502.03-15,324.22

Finding the Fourth Proportional to 27,900.28, 38,502.03 and 15,324.22

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Solution

The fourth proportional to 27,900.28, 38,502.03 and 15,324.22 is: 21,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.28 : 38,502.03 = 15,324.22 : x
  2. Step 2: Convert to fraction form
    27,900.28/38,502.03 = 15,324.22/x
  3. Step 3: Cross multiply
    27,900.28x = 38,502.03 × 15,324.22
  4. Step 4: Simplify right side
    27,900.28x = 590,013,578.17
  5. Step 5: Solve for x
    x = 590,013,578.17/27,900.28
  6. Step 6: Final answer
    x = 21,147.23

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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.