Home / 27,820.35-38,371.15-19,322.48

Finding the Fourth Proportional to 27,820.35, 38,371.15 and 19,322.48

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Solution

The fourth proportional to 27,820.35, 38,371.15 and 19,322.48 is: 26,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.35 : 38,371.15 = 19,322.48 : x
  2. Step 2: Convert to fraction form
    27,820.35/38,371.15 = 19,322.48/x
  3. Step 3: Cross multiply
    27,820.35x = 38,371.15 × 19,322.48
  4. Step 4: Simplify right side
    27,820.35x = 741,425,778.45
  5. Step 5: Solve for x
    x = 741,425,778.45/27,820.35
  6. Step 6: Final answer
    x = 26,650.48

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