Home / 27,684.59-38,204.46-15,109.34

Finding the Fourth Proportional to 27,684.59, 38,204.46 and 15,109.34

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Solution

The fourth proportional to 27,684.59, 38,204.46 and 15,109.34 is: 20,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.59 : 38,204.46 = 15,109.34 : x
  2. Step 2: Convert to fraction form
    27,684.59/38,204.46 = 15,109.34/x
  3. Step 3: Cross multiply
    27,684.59x = 38,204.46 × 15,109.34
  4. Step 4: Simplify right side
    27,684.59x = 577,243,984.63
  5. Step 5: Solve for x
    x = 577,243,984.63/27,684.59
  6. Step 6: Final answer
    x = 20,850.74

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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.