Home / 27,749.30-38,292.08-15,650.24

Finding the Fourth Proportional to 27,749.30, 38,292.08 and 15,650.24

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Solution

The fourth proportional to 27,749.30, 38,292.08 and 15,650.24 is: 21,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.30 : 38,292.08 = 15,650.24 : x
  2. Step 2: Convert to fraction form
    27,749.30/38,292.08 = 15,650.24/x
  3. Step 3: Cross multiply
    27,749.30x = 38,292.08 × 15,650.24
  4. Step 4: Simplify right side
    27,749.30x = 599,279,972.39
  5. Step 5: Solve for x
    x = 599,279,972.39/27,749.30
  6. Step 6: Final answer
    x = 21,596.22

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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.