Home / 27,985.15-41,951.33-13,931.88

Finding the Fourth Proportional to 27,985.15, 41,951.33 and 13,931.88

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Solution

The fourth proportional to 27,985.15, 41,951.33 and 13,931.88 is: 20,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.15 : 41,951.33 = 13,931.88 : x
  2. Step 2: Convert to fraction form
    27,985.15/41,951.33 = 13,931.88/x
  3. Step 3: Cross multiply
    27,985.15x = 41,951.33 × 13,931.88
  4. Step 4: Simplify right side
    27,985.15x = 584,460,720.47
  5. Step 5: Solve for x
    x = 584,460,720.47/27,985.15
  6. Step 6: Final answer
    x = 20,884.67

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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.