Home / 27,846.13-41,776.90-12,857.83

Finding the Fourth Proportional to 27,846.13, 41,776.90 and 12,857.83

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Solution

The fourth proportional to 27,846.13, 41,776.90 and 12,857.83 is: 19,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.13 : 41,776.90 = 12,857.83 : x
  2. Step 2: Convert to fraction form
    27,846.13/41,776.90 = 12,857.83/x
  3. Step 3: Cross multiply
    27,846.13x = 41,776.90 × 12,857.83
  4. Step 4: Simplify right side
    27,846.13x = 537,160,278.13
  5. Step 5: Solve for x
    x = 537,160,278.13/27,846.13
  6. Step 6: Final answer
    x = 19,290.30

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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.