Home / 27,375.67-37,746.91-20,215.98

Finding the Fourth Proportional to 27,375.67, 37,746.91 and 20,215.98

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Solution

The fourth proportional to 27,375.67, 37,746.91 and 20,215.98 is: 27,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.67 : 37,746.91 = 20,215.98 : x
  2. Step 2: Convert to fraction form
    27,375.67/37,746.91 = 20,215.98/x
  3. Step 3: Cross multiply
    27,375.67x = 37,746.91 × 20,215.98
  4. Step 4: Simplify right side
    27,375.67x = 763,090,802.89
  5. Step 5: Solve for x
    x = 763,090,802.89/27,375.67
  6. Step 6: Final answer
    x = 27,874.78

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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.