Home / 27,988.84-41,983.26-26,278.12

Finding the Fourth Proportional to 27,988.84, 41,983.26 and 26,278.12

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Solution

The fourth proportional to 27,988.84, 41,983.26 and 26,278.12 is: 39,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.84 : 41,983.26 = 26,278.12 : x
  2. Step 2: Convert to fraction form
    27,988.84/41,983.26 = 26,278.12/x
  3. Step 3: Cross multiply
    27,988.84x = 41,983.26 × 26,278.12
  4. Step 4: Simplify right side
    27,988.84x = 1,103,241,144.27
  5. Step 5: Solve for x
    x = 1,103,241,144.27/27,988.84
  6. Step 6: Final answer
    x = 39,417.18

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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.