Home / 27,684.62-38,204.76-15,109.37

Finding the Fourth Proportional to 27,684.62, 38,204.76 and 15,109.37

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Solution

The fourth proportional to 27,684.62, 38,204.76 and 15,109.37 is: 20,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.62 : 38,204.76 = 15,109.37 : x
  2. Step 2: Convert to fraction form
    27,684.62/38,204.76 = 15,109.37/x
  3. Step 3: Cross multiply
    27,684.62x = 38,204.76 × 15,109.37
  4. Step 4: Simplify right side
    27,684.62x = 577,249,863.51
  5. Step 5: Solve for x
    x = 577,249,863.51/27,684.62
  6. Step 6: Final answer
    x = 20,850.92

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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.