Home / 27,548.30-38,015.53-15,448.12

Finding the Fourth Proportional to 27,548.30, 38,015.53 and 15,448.12

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Solution

The fourth proportional to 27,548.30, 38,015.53 and 15,448.12 is: 21,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.30 : 38,015.53 = 15,448.12 : x
  2. Step 2: Convert to fraction form
    27,548.30/38,015.53 = 15,448.12/x
  3. Step 3: Cross multiply
    27,548.30x = 38,015.53 × 15,448.12
  4. Step 4: Simplify right side
    27,548.30x = 587,268,335.64
  5. Step 5: Solve for x
    x = 587,268,335.64/27,548.30
  6. Step 6: Final answer
    x = 21,317.77

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Half scale
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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.