Home / 27,420.88-37,840.82-14,845.62

Finding the Fourth Proportional to 27,420.88, 37,840.82 and 14,845.62

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Solution

The fourth proportional to 27,420.88, 37,840.82 and 14,845.62 is: 20,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.88 : 37,840.82 = 14,845.62 : x
  2. Step 2: Convert to fraction form
    27,420.88/37,840.82 = 14,845.62/x
  3. Step 3: Cross multiply
    27,420.88x = 37,840.82 × 14,845.62
  4. Step 4: Simplify right side
    27,420.88x = 561,770,434.21
  5. Step 5: Solve for x
    x = 561,770,434.21/27,420.88
  6. Step 6: Final answer
    x = 20,486.96

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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.