Home / 27,383.08-37,788.78-15,446.92

Finding the Fourth Proportional to 27,383.08, 37,788.78 and 15,446.92

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Solution

The fourth proportional to 27,383.08, 37,788.78 and 15,446.92 is: 21,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.08 : 37,788.78 = 15,446.92 : x
  2. Step 2: Convert to fraction form
    27,383.08/37,788.78 = 15,446.92/x
  3. Step 3: Cross multiply
    27,383.08x = 37,788.78 × 15,446.92
  4. Step 4: Simplify right side
    27,383.08x = 583,720,261.56
  5. Step 5: Solve for x
    x = 583,720,261.56/27,383.08
  6. Step 6: Final answer
    x = 21,316.82

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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.