Home / 27,398.76-37,835.85-20,165.25

Finding the Fourth Proportional to 27,398.76, 37,835.85 and 20,165.25

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Solution

The fourth proportional to 27,398.76, 37,835.85 and 20,165.25 is: 27,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,398.76 : 37,835.85 = 20,165.25 : x
  2. Step 2: Convert to fraction form
    27,398.76/37,835.85 = 20,165.25/x
  3. Step 3: Cross multiply
    27,398.76x = 37,835.85 × 20,165.25
  4. Step 4: Simplify right side
    27,398.76x = 762,969,374.21
  5. Step 5: Solve for x
    x = 762,969,374.21/27,398.76
  6. Step 6: Final answer
    x = 27,846.86

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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.