Home / 27,747.03-38,289.77-15,809.35

Finding the Fourth Proportional to 27,747.03, 38,289.77 and 15,809.35

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Solution

The fourth proportional to 27,747.03, 38,289.77 and 15,809.35 is: 21,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.03 : 38,289.77 = 15,809.35 : x
  2. Step 2: Convert to fraction form
    27,747.03/38,289.77 = 15,809.35/x
  3. Step 3: Cross multiply
    27,747.03x = 38,289.77 × 15,809.35
  4. Step 4: Simplify right side
    27,747.03x = 605,336,375.35
  5. Step 5: Solve for x
    x = 605,336,375.35/27,747.03
  6. Step 6: Final answer
    x = 21,816.26

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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.