Home / 27,850.48-41,779.92-8,130.40

Finding the Fourth Proportional to 27,850.48, 41,779.92 and 8,130.40

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Solution

The fourth proportional to 27,850.48, 41,779.92 and 8,130.40 is: 12,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.48 : 41,779.92 = 8,130.40 : x
  2. Step 2: Convert to fraction form
    27,850.48/41,779.92 = 8,130.40/x
  3. Step 3: Cross multiply
    27,850.48x = 41,779.92 × 8,130.40
  4. Step 4: Simplify right side
    27,850.48x = 339,687,461.57
  5. Step 5: Solve for x
    x = 339,687,461.57/27,850.48
  6. Step 6: Final answer
    x = 12,196.83

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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.