Home / 27,943.29-38,561.94-15,196.46

Finding the Fourth Proportional to 27,943.29, 38,561.94 and 15,196.46

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Solution

The fourth proportional to 27,943.29, 38,561.94 and 15,196.46 is: 20,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.29 : 38,561.94 = 15,196.46 : x
  2. Step 2: Convert to fraction form
    27,943.29/38,561.94 = 15,196.46/x
  3. Step 3: Cross multiply
    27,943.29x = 38,561.94 × 15,196.46
  4. Step 4: Simplify right side
    27,943.29x = 586,004,785.92
  5. Step 5: Solve for x
    x = 586,004,785.92/27,943.29
  6. Step 6: Final answer
    x = 20,971.22

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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.