Home / 27,711.09-41,572.48-8,989.67

Finding the Fourth Proportional to 27,711.09, 41,572.48 and 8,989.67

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Solution

The fourth proportional to 27,711.09, 41,572.48 and 8,989.67 is: 13,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711.09 : 41,572.48 = 8,989.67 : x
  2. Step 2: Convert to fraction form
    27,711.09/41,572.48 = 8,989.67/x
  3. Step 3: Cross multiply
    27,711.09x = 41,572.48 × 8,989.67
  4. Step 4: Simplify right side
    27,711.09x = 373,722,876.28
  5. Step 5: Solve for x
    x = 373,722,876.28/27,711.09
  6. Step 6: Final answer
    x = 13,486.40

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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.