Home / 27,936.43-41,905.93-9,218.10

Finding the Fourth Proportional to 27,936.43, 41,905.93 and 9,218.10

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Solution

The fourth proportional to 27,936.43, 41,905.93 and 9,218.10 is: 13,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.43 : 41,905.93 = 9,218.10 : x
  2. Step 2: Convert to fraction form
    27,936.43/41,905.93 = 9,218.10/x
  3. Step 3: Cross multiply
    27,936.43x = 41,905.93 × 9,218.10
  4. Step 4: Simplify right side
    27,936.43x = 386,293,030.29
  5. Step 5: Solve for x
    x = 386,293,030.29/27,936.43
  6. Step 6: Final answer
    x = 13,827.57

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1.5x scale

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.