Home / 27,379.60-37,753.48-19,810.96

Finding the Fourth Proportional to 27,379.60, 37,753.48 and 19,810.96

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Solution

The fourth proportional to 27,379.60, 37,753.48 and 19,810.96 is: 27,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.60 : 37,753.48 = 19,810.96 : x
  2. Step 2: Convert to fraction form
    27,379.60/37,753.48 = 19,810.96/x
  3. Step 3: Cross multiply
    27,379.60x = 37,753.48 × 19,810.96
  4. Step 4: Simplify right side
    27,379.60x = 747,932,682.14
  5. Step 5: Solve for x
    x = 747,932,682.14/27,379.60
  6. Step 6: Final answer
    x = 27,317.15

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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.