Home / 27,775.90-38,343.39-17,718.13

Finding the Fourth Proportional to 27,775.90, 38,343.39 and 17,718.13

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Solution

The fourth proportional to 27,775.90, 38,343.39 and 17,718.13 is: 24,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.90 : 38,343.39 = 17,718.13 : x
  2. Step 2: Convert to fraction form
    27,775.90/38,343.39 = 17,718.13/x
  3. Step 3: Cross multiply
    27,775.90x = 38,343.39 × 17,718.13
  4. Step 4: Simplify right side
    27,775.90x = 679,372,976.94
  5. Step 5: Solve for x
    x = 679,372,976.94/27,775.90
  6. Step 6: Final answer
    x = 24,459.09

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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.