Home / 27,749.88-41,635.74-12,156.57

Finding the Fourth Proportional to 27,749.88, 41,635.74 and 12,156.57

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Solution

The fourth proportional to 27,749.88, 41,635.74 and 12,156.57 is: 18,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.88 : 41,635.74 = 12,156.57 : x
  2. Step 2: Convert to fraction form
    27,749.88/41,635.74 = 12,156.57/x
  3. Step 3: Cross multiply
    27,749.88x = 41,635.74 × 12,156.57
  4. Step 4: Simplify right side
    27,749.88x = 506,147,787.81
  5. Step 5: Solve for x
    x = 506,147,787.81/27,749.88
  6. Step 6: Final answer
    x = 18,239.64

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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.