Home / 27,548.07-38,018.64-15,448.36

Finding the Fourth Proportional to 27,548.07, 38,018.64 and 15,448.36

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Solution

The fourth proportional to 27,548.07, 38,018.64 and 15,448.36 is: 21,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.07 : 38,018.64 = 15,448.36 : x
  2. Step 2: Convert to fraction form
    27,548.07/38,018.64 = 15,448.36/x
  3. Step 3: Cross multiply
    27,548.07x = 38,018.64 × 15,448.36
  4. Step 4: Simplify right side
    27,548.07x = 587,325,542.38
  5. Step 5: Solve for x
    x = 587,325,542.38/27,548.07
  6. Step 6: Final answer
    x = 21,320.03

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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.