Home / 27,927.44-38,542.28-15,354.64

Finding the Fourth Proportional to 27,927.44, 38,542.28 and 15,354.64

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Solution

The fourth proportional to 27,927.44, 38,542.28 and 15,354.64 is: 21,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.44 : 38,542.28 = 15,354.64 : x
  2. Step 2: Convert to fraction form
    27,927.44/38,542.28 = 15,354.64/x
  3. Step 3: Cross multiply
    27,927.44x = 38,542.28 × 15,354.64
  4. Step 4: Simplify right side
    27,927.44x = 591,802,834.18
  5. Step 5: Solve for x
    x = 591,802,834.18/27,927.44
  6. Step 6: Final answer
    x = 21,190.73

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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.