Home / 27,793.36-38,354.78-15,046.48

Finding the Fourth Proportional to 27,793.36, 38,354.78 and 15,046.48

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Solution

The fourth proportional to 27,793.36, 38,354.78 and 15,046.48 is: 20,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.36 : 38,354.78 = 15,046.48 : x
  2. Step 2: Convert to fraction form
    27,793.36/38,354.78 = 15,046.48/x
  3. Step 3: Cross multiply
    27,793.36x = 38,354.78 × 15,046.48
  4. Step 4: Simplify right side
    27,793.36x = 577,104,430.17
  5. Step 5: Solve for x
    x = 577,104,430.17/27,793.36
  6. Step 6: Final answer
    x = 20,764.11

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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.