Home / 27,749.34-41,639.40-12,166.56

Finding the Fourth Proportional to 27,749.34, 41,639.40 and 12,166.56

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Solution

The fourth proportional to 27,749.34, 41,639.40 and 12,166.56 is: 18,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.34 : 41,639.40 = 12,166.56 : x
  2. Step 2: Convert to fraction form
    27,749.34/41,639.40 = 12,166.56/x
  3. Step 3: Cross multiply
    27,749.34x = 41,639.40 × 12,166.56
  4. Step 4: Simplify right side
    27,749.34x = 506,608,258.46
  5. Step 5: Solve for x
    x = 506,608,258.46/27,749.34
  6. Step 6: Final answer
    x = 18,256.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.