Home / 27,902.51-41,911.01-18,428.82

Finding the Fourth Proportional to 27,902.51, 41,911.01 and 18,428.82

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Solution

The fourth proportional to 27,902.51, 41,911.01 and 18,428.82 is: 27,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.51 : 41,911.01 = 18,428.82 : x
  2. Step 2: Convert to fraction form
    27,902.51/41,911.01 = 18,428.82/x
  3. Step 3: Cross multiply
    27,902.51x = 41,911.01 × 18,428.82
  4. Step 4: Simplify right side
    27,902.51x = 772,370,253.19
  5. Step 5: Solve for x
    x = 772,370,253.19/27,902.51
  6. Step 6: Final answer
    x = 27,681.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.