Home / 27,920.18-41,888.09-11,291.90

Finding the Fourth Proportional to 27,920.18, 41,888.09 and 11,291.90

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Solution

The fourth proportional to 27,920.18, 41,888.09 and 11,291.90 is: 16,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.18 : 41,888.09 = 11,291.90 : x
  2. Step 2: Convert to fraction form
    27,920.18/41,888.09 = 11,291.90/x
  3. Step 3: Cross multiply
    27,920.18x = 41,888.09 × 11,291.90
  4. Step 4: Simplify right side
    27,920.18x = 472,995,857.57
  5. Step 5: Solve for x
    x = 472,995,857.57/27,920.18
  6. Step 6: Final answer
    x = 16,941.01

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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.