Home / 27,937.29-38,553.54-15,190.48

Finding the Fourth Proportional to 27,937.29, 38,553.54 and 15,190.48

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Solution

The fourth proportional to 27,937.29, 38,553.54 and 15,190.48 is: 20,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.29 : 38,553.54 = 15,190.48 : x
  2. Step 2: Convert to fraction form
    27,937.29/38,553.54 = 15,190.48/x
  3. Step 3: Cross multiply
    27,937.29x = 38,553.54 × 15,190.48
  4. Step 4: Simplify right side
    27,937.29x = 585,646,661.10
  5. Step 5: Solve for x
    x = 585,646,661.10/27,937.29
  6. Step 6: Final answer
    x = 20,962.90

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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.