Home / 27,943.68-38,564.64-15,371.04

Finding the Fourth Proportional to 27,943.68, 38,564.64 and 15,371.04

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Solution

The fourth proportional to 27,943.68, 38,564.64 and 15,371.04 is: 21,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.68 : 38,564.64 = 15,371.04 : x
  2. Step 2: Convert to fraction form
    27,943.68/38,564.64 = 15,371.04/x
  3. Step 3: Cross multiply
    27,943.68x = 38,564.64 × 15,371.04
  4. Step 4: Simplify right side
    27,943.68x = 592,778,624.03
  5. Step 5: Solve for x
    x = 592,778,624.03/27,943.68
  6. Step 6: Final answer
    x = 21,213.33

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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.