Home / 27,420.05-41,126.82-7,700.33

Finding the Fourth Proportional to 27,420.05, 41,126.82 and 7,700.33

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Solution

The fourth proportional to 27,420.05, 41,126.82 and 7,700.33 is: 11,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.05 : 41,126.82 = 7,700.33 : x
  2. Step 2: Convert to fraction form
    27,420.05/41,126.82 = 7,700.33/x
  3. Step 3: Cross multiply
    27,420.05x = 41,126.82 × 7,700.33
  4. Step 4: Simplify right side
    27,420.05x = 316,689,880.22
  5. Step 5: Solve for x
    x = 316,689,880.22/27,420.05
  6. Step 6: Final answer
    x = 11,549.58

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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.