Home / 27,937.96-38,553.80-15,191.39

Finding the Fourth Proportional to 27,937.96, 38,553.80 and 15,191.39

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Solution

The fourth proportional to 27,937.96, 38,553.80 and 15,191.39 is: 20,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.96 : 38,553.80 = 15,191.39 : x
  2. Step 2: Convert to fraction form
    27,937.96/38,553.80 = 15,191.39/x
  3. Step 3: Cross multiply
    27,937.96x = 38,553.80 × 15,191.39
  4. Step 4: Simplify right side
    27,937.96x = 585,685,832.21
  5. Step 5: Solve for x
    x = 585,685,832.21/27,937.96
  6. Step 6: Final answer
    x = 20,963.80

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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.