Home / 27,988.38-41,983.18-10,448.64

Finding the Fourth Proportional to 27,988.38, 41,983.18 and 10,448.64

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Solution

The fourth proportional to 27,988.38, 41,983.18 and 10,448.64 is: 15,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,988.38 : 41,983.18 = 10,448.64 : x
  2. Step 2: Convert to fraction form
    27,988.38/41,983.18 = 10,448.64/x
  3. Step 3: Cross multiply
    27,988.38x = 41,983.18 × 10,448.64
  4. Step 4: Simplify right side
    27,988.38x = 438,667,107.75
  5. Step 5: Solve for x
    x = 438,667,107.75/27,988.38
  6. Step 6: Final answer
    x = 15,673.19

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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.