Home / 27,637.91-38,146.46-17,564.38

Finding the Fourth Proportional to 27,637.91, 38,146.46 and 17,564.38

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Solution

The fourth proportional to 27,637.91, 38,146.46 and 17,564.38 is: 24,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.91 : 38,146.46 = 17,564.38 : x
  2. Step 2: Convert to fraction form
    27,637.91/38,146.46 = 17,564.38/x
  3. Step 3: Cross multiply
    27,637.91x = 38,146.46 × 17,564.38
  4. Step 4: Simplify right side
    27,637.91x = 670,018,919.09
  5. Step 5: Solve for x
    x = 670,018,919.09/27,637.91
  6. Step 6: Final answer
    x = 24,242.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.