Home / 27,383.70-37,790.81-15,446.76

Finding the Fourth Proportional to 27,383.70, 37,790.81 and 15,446.76

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Solution

The fourth proportional to 27,383.70, 37,790.81 and 15,446.76 is: 21,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.70 : 37,790.81 = 15,446.76 : x
  2. Step 2: Convert to fraction form
    27,383.70/37,790.81 = 15,446.76/x
  3. Step 3: Cross multiply
    27,383.70x = 37,790.81 × 15,446.76
  4. Step 4: Simplify right side
    27,383.70x = 583,745,572.28
  5. Step 5: Solve for x
    x = 583,745,572.28/27,383.70
  6. Step 6: Final answer
    x = 21,317.26

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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.