Home / 27,310.34-37,632.82-20,937.06

Finding the Fourth Proportional to 27,310.34, 37,632.82 and 20,937.06

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Solution

The fourth proportional to 27,310.34, 37,632.82 and 20,937.06 is: 28,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.34 : 37,632.82 = 20,937.06 : x
  2. Step 2: Convert to fraction form
    27,310.34/37,632.82 = 20,937.06/x
  3. Step 3: Cross multiply
    27,310.34x = 37,632.82 × 20,937.06
  4. Step 4: Simplify right side
    27,310.34x = 787,920,610.31
  5. Step 5: Solve for x
    x = 787,920,610.31/27,310.34
  6. Step 6: Final answer
    x = 28,850.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.