Home / 27,420.14-41,131.73-7,700.28

Finding the Fourth Proportional to 27,420.14, 41,131.73 and 7,700.28

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Solution

The fourth proportional to 27,420.14, 41,131.73 and 7,700.28 is: 11,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.14 : 41,131.73 = 7,700.28 : x
  2. Step 2: Convert to fraction form
    27,420.14/41,131.73 = 7,700.28/x
  3. Step 3: Cross multiply
    27,420.14x = 41,131.73 × 7,700.28
  4. Step 4: Simplify right side
    27,420.14x = 316,725,799.38
  5. Step 5: Solve for x
    x = 316,725,799.38/27,420.14
  6. Step 6: Final answer
    x = 11,550.85

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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.